diff --git a/Makefile b/Makefile
index 8fc7244fe..f563fe853 100644
--- a/Makefile
+++ b/Makefile
@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+.DEFAULT_GOAL:=help
+
 ROOT_DIR_RELATIVE := .
 
 include $(ROOT_DIR_RELATIVE)/common.mk
@@ -83,8 +85,14 @@ endif
 
 all: manager
 
+## --------------------------------------
+## Binaries
+## --------------------------------------
+
+##@ build:
+
 # Build manager binary
-manager: generate fmt vet
+manager: generate fmt vet ## Build the manager binary into the ./bin folder
 	go build -o bin/manager main.go
 
 # Run against the configured Kubernetes cluster in ~/.kube/config
@@ -104,22 +112,6 @@ deploy: manifests $(KUSTOMIZE)
 	cd config/manager && $(KUSTOMIZE) edit set image controller=${IMG}
 	$(KUSTOMIZE) build config/default | kubectl apply -f -
 
-# Generate manifests e.g. CRD, RBAC etc.
-manifests: $(CONTROLLER_GEN)
-	$(CONTROLLER_GEN) $(CRD_OPTIONS) rbac:roleName=manager-role webhook paths="./..." output:crd:artifacts:config=config/crd/bases
-	$(CONTROLLER_GEN) $(CRD_OPTIONS) rbac:roleName=manager-role paths="./..." output:crd:artifacts:config=config/crd/bases
-
-.PHONY: generate-go-conversions-core
-generate-go-conversions-core: $(CONVERSION_GEN)
-	$(MAKE) clean-generated-conversions SRC_DIRS="./api/v1alpha3"
-	$(MAKE) clean-generated-conversions SRC_DIRS="./api/v1alpha4"
-	$(CONVERSION_GEN) \
-		--input-dirs=./api/v1alpha3 \
-		--input-dirs=./api/v1alpha4 \
-		--build-tag=ignore_autogenerated_core \
-		--output-file-base=zz_generated.conversion $(CONVERSION_GEN_OUTPUT_BASE) \
-		--go-header-file=./hack/boilerplate/boilerplate.generatego.txt
-
 # Run go fmt against code
 fmt:
 	go fmt ./...
@@ -128,6 +120,15 @@ fmt:
 vet:
 	go vet ./...
 
+help:  # Display this help
+	@awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n  make \033[36m<target>\033[0m\n\nTargets:\n"} /^[0-9A-Za-z_-]+:.*?##/ { printf "  \033[36m%-45s\033[0m %s\n", $$1, $$2 } /^\$$\([0-9A-Za-z_-]+\):.*?##/ { gsub("_","-", $$1); printf "  \033[36m%-45s\033[0m %s\n", tolower(substr($$1, 3, length($$1)-7)), $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)
+
+## --------------------------------------
+## Generate / Manifests
+## --------------------------------------
+
+##@ generate:
+
 # Generate code
 generate: $(CONTROLLER_GEN)
 	$(MAKE) generate-go
@@ -137,6 +138,27 @@ generate: $(CONTROLLER_GEN)
 generate-go: $(MOCKGEN)
 	go generate ./...
 
+# Generate manifests e.g. CRD, RBAC etc.
+manifests: $(CONTROLLER_GEN)
+	$(CONTROLLER_GEN) $(CRD_OPTIONS) rbac:roleName=manager-role webhook paths="./..." output:crd:artifacts:config=config/crd/bases
+	$(CONTROLLER_GEN) $(CRD_OPTIONS) rbac:roleName=manager-role paths="./..." output:crd:artifacts:config=config/crd/bases
+
+.PHONY: generate-go-conversions-core
+generate-go-conversions-core: $(CONVERSION_GEN)
+	$(MAKE) clean-generated-conversions SRC_DIRS="./api/v1alpha3"
+	$(MAKE) clean-generated-conversions SRC_DIRS="./api/v1alpha4"
+	$(CONVERSION_GEN) \
+		--input-dirs=./api/v1alpha3 \
+		--input-dirs=./api/v1alpha4 \
+		--build-tag=ignore_autogenerated_core \
+		--output-file-base=zz_generated.conversion $(CONVERSION_GEN_OUTPUT_BASE) \
+		--go-header-file=./hack/boilerplate/boilerplate.generatego.txt
+
+.PHONY: modules
+modules: ## Runs go mod to ensure modules are up to date
+	go mod tidy
+	cd $(TOOLS_DIR); go mod tidy
+
 images: docker-build
 
 set-flavor: 
@@ -147,24 +169,14 @@ else
 endif
 	@echo "Setting e2e test flavour to ${E2E_CONF_FILE}"
 
-## --------------------------------------
-## Linting
-## --------------------------------------
-
-.PHONY: lint
-lint: $(GOLANGCI_LINT) ## Lint codebase
-	$(GOLANGCI_LINT) run -v --fast=false
-
-.PHONY: lint-fix
-lint-fix: $(GOLANGCI_LINT) ## Lint the codebase and run auto-fixers if supported by the linter
-	GOLANGCI_LINT_EXTRA_ARGS=--fix $(MAKE) lint
-
 ## --------------------------------------
 ## Testing
 ## --------------------------------------
 
+##@ test:
+
 .PHONY: setup-envtest
-setup-envtest: $(SETUP_ENVTEST) # Build setup-envtest from tools folder.
+setup-envtest: $(SETUP_ENVTEST) # Build setup-envtest from tools folder
 	@if [ $(shell go env GOOS) == "darwin" ]; then \
 		$(eval KUBEBUILDER_ASSETS := $(shell $(SETUP_ENVTEST) use --use-env -p path --arch amd64 $(KUBEBUILDER_ENVTEST_KUBERNETES_VERSION))) \
 		echo "kube-builder assets set using darwin OS"; \
@@ -189,7 +201,7 @@ SKIP_CREATE_MGMT_CLUSTER ?= false
 
 # Run the end-to-end tests
 .PHONY: test-e2e
-test-e2e: $(GINKGO) $(KUSTOMIZE) $(ENVSUBST) set-flavor e2e-image 
+test-e2e: $(GINKGO) $(KUSTOMIZE) $(ENVSUBST) set-flavor e2e-image ## Run e2e tests
 	$(ENVSUBST) < $(E2E_CONF_FILE) > $(E2E_CONF_FILE_ENVSUBST) 
 	$(GINKGO) $(GINKGO_ARGS) ./test/e2e -- \
 		-e2e.artifacts-folder="$(ARTIFACTS)" \
@@ -200,74 +212,15 @@ test-e2e: $(GINKGO) $(KUSTOMIZE) $(ENVSUBST) set-flavor e2e-image
 
 # Basic checks for deploying kind cluster and required providers
 .PHONY: test-sanity
-test-sanity:
+test-sanity: ## Run sanity tests
 	GINKGO_FOCUS="Run Sanity tests" $(MAKE) test-e2e
 
-## --------------------------------------
-## Docker
-## --------------------------------------
-
-.PHONY: docker-build
-docker-build: docker-pull-prerequisites ## Build the docker image for controller-manager
-	docker build --build-arg ARCH=$(ARCH) . -t $(CORE_CONTROLLER_IMG)-$(ARCH):$(TAG)
-
-.PHONY: docker-push
-docker-push: ## Push the docker image
-	docker push $(CORE_CONTROLLER_IMG)-$(ARCH):$(TAG)
-
-.PHONY: docker-pull-prerequisites
-docker-pull-prerequisites:
-	docker pull docker.io/docker/dockerfile:1.1-experimental
-	docker pull gcr.io/distroless/static:latest
-
-.PHONY: e2e-image
-e2e-image: docker-pull-prerequisites
-	docker build --tag=$(CORE_CONTROLLER_ORIGINAL_IMG):e2e .
-	$(MAKE) set-manifest-image MANIFEST_IMG=$(CORE_CONTROLLER_ORIGINAL_IMG):e2e TARGET_RESOURCE="./config/default/manager_image_patch.yaml"
-	$(MAKE) set-manifest-pull-policy PULL_POLICY=Never TARGET_RESOURCE="./config/default/manager_pull_policy.yaml"
-
-.PHONY: set-manifest-image
-set-manifest-image:
-	$(info Updating kustomize image patch file for default resource)
-	sed -i'' -e 's@image: .*@image: '"${MANIFEST_IMG}"'@' ./config/default/manager_image_patch.yaml
-
-.PHONY: set-manifest-pull-policy
-set-manifest-pull-policy:
-	$(info Updating kustomize pull policy file for default resource)
-	sed -i'' -e 's@imagePullPolicy: .*@imagePullPolicy: '"$(PULL_POLICY)"'@' ./config/default/manager_pull_policy.yaml	
-
-## --------------------------------------
-## Docker - All ARCH
-## --------------------------------------
-
-.PHONY: docker-build-all ## Build all the architecture docker images
-docker-build-all: $(addprefix docker-build-,$(ALL_ARCH))
-
-docker-build-%:
-	$(MAKE) ARCH=$* docker-build
-
-.PHONY: docker-push-all ## Push all the architecture docker images
-docker-push-all: $(addprefix docker-push-,$(ALL_ARCH))
-	$(MAKE) docker-push-core-manifest
-
-docker-push-%:
-	$(MAKE) ARCH=$* docker-push
-
-.PHONY: docker-push-core-manifest
-docker-push-core-manifest: ## Push the fat manifest docker image.
-	## Minimum docker version 18.06.0 is required for creating and pushing manifest images.
-	$(MAKE) docker-push-manifest CONTROLLER_IMG=$(CORE_CONTROLLER_IMG) MANIFEST_FILE=$(CORE_MANIFEST_FILE)
-
-.PHONY: docker-push-manifest
-docker-push-manifest:
-	docker manifest create --amend $(CONTROLLER_IMG):$(TAG) $(shell echo $(ALL_ARCH) | sed -e "s~[^ ]*~$(CONTROLLER_IMG)\-&:$(TAG)~g")
-	@for arch in $(ALL_ARCH); do docker manifest annotate --arch $${arch} ${CONTROLLER_IMG}:${TAG} ${CONTROLLER_IMG}-$${arch}:${TAG}; done
-	docker manifest push --purge ${CONTROLLER_IMG}:${TAG}
-
 ## --------------------------------------
 ## Release
 ## --------------------------------------
 
+##@ release:
+
 $(RELEASE_DIR):
 	mkdir -p $@
 
@@ -296,19 +249,19 @@ check-github-token:
 	@if [ -z "${GITHUB_TOKEN}" ]; then echo "GITHUB_TOKEN is not set"; exit 1; fi
 
 .PHONY: release
-release: clean-release check-release-tag $(RELEASE_DIR)  ## Builds and push container images using the latest git tag for the commit.
+release: clean-release check-release-tag $(RELEASE_DIR)  ## Build and push container images using the latest git tag for the commit
 	git checkout "${RELEASE_TAG}"
 	CORE_CONTROLLER_IMG=$(PROD_REGISTRY)/$(CORE_IMAGE_NAME) $(MAKE) release-manifests
 	$(MAKE) release-templates
 
 .PHONY: release-manifests
-release-manifests:
+release-manifests: ## Build the manifests to publish with a release
 	$(MAKE) $(RELEASE_DIR)/$(CORE_MANIFEST_FILE).yaml TAG=$(RELEASE_TAG)
 	# Add metadata to the release artifacts
 	cp metadata.yaml $(RELEASE_DIR)/metadata.yaml
 
 .PHONY: release-staging
-release-staging: ## Builds and push container images and manifests to the staging bucket.
+release-staging: ## Build and push container images to the staging bucket
 	$(MAKE) docker-build-all
 	$(MAKE) docker-push-all
 	$(MAKE) release-alias-tag
@@ -326,7 +279,7 @@ upload-staging-artifacts: ## Upload release artifacts to the staging bucket
 	gsutil cp $(RELEASE_DIR)/* gs://$(BUCKET)/components/$(RELEASE_ALIAS_TAG)
 
 .PHONY: release-alias-tag
-release-alias-tag: # Adds the tag to the last build tag.
+release-alias-tag: ## Add the release alias tag to the last build tag
 	gcloud container images add-tag -q $(CORE_CONTROLLER_IMG):$(TAG) $(CORE_CONTROLLER_IMG):$(RELEASE_ALIAS_TAG)
 
 .PHONY: release-templates
@@ -371,46 +324,103 @@ image-patch-kustomization-without-webhook: $(IMAGE_PATCH_DIR) $(GOJQ)
 		"hack/image-patch/kustomization.yaml" > $(IMAGE_PATCH_DIR)/$(PROVIDER)/kustomization.yaml
 
 ## --------------------------------------
-## Cleanup / Verification
+## Docker
 ## --------------------------------------
 
-.PHONY: clean
-clean: ## Remove all generated files
-	$(MAKE) -C hack/tools clean
-	$(MAKE) clean-temporary
+.PHONY: docker-build
+docker-build: docker-pull-prerequisites ## Build the docker image for controller-manager
+	docker build --build-arg ARCH=$(ARCH) . -t $(CORE_CONTROLLER_IMG)-$(ARCH):$(TAG)
 
-.PHONY: clean-temporary
-clean-temporary: ## Remove all temporary files and folders
-	rm -f minikube.kubeconfig
-	rm -f kubeconfig
-	rm -rf _artifacts
+.PHONY: docker-push
+docker-push: ## Push the docker image
+	docker push $(CORE_CONTROLLER_IMG)-$(ARCH):$(TAG)
 
-.PHONY: clean-release
-clean-release: ## Remove the release folder
-	rm -rf $(RELEASE_DIR)
+.PHONY: docker-pull-prerequisites
+docker-pull-prerequisites:
+	docker pull docker.io/docker/dockerfile:1.1-experimental
+	docker pull gcr.io/distroless/static:latest
 
-.PHONY: clean-generated-conversions
-clean-generated-conversions: ## Remove files generated by conversion-gen from the mentioned dirs
-	(IFS=','; for i in $(SRC_DIRS); do find $$i -type f -name 'zz_generated.conversion*' -exec rm -f {} \;; done)
+.PHONY: e2e-image
+e2e-image: docker-pull-prerequisites
+	docker build --tag=$(CORE_CONTROLLER_ORIGINAL_IMG):e2e .
+	$(MAKE) set-manifest-image MANIFEST_IMG=$(CORE_CONTROLLER_ORIGINAL_IMG):e2e TARGET_RESOURCE="./config/default/manager_image_patch.yaml"
+	$(MAKE) set-manifest-pull-policy PULL_POLICY=Never TARGET_RESOURCE="./config/default/manager_pull_policy.yaml"
+
+.PHONY: set-manifest-image
+set-manifest-image:
+	$(info Updating kustomize image patch file for default resource)
+	sed -i'' -e 's@image: .*@image: '"${MANIFEST_IMG}"'@' ./config/default/manager_image_patch.yaml
+
+.PHONY: set-manifest-pull-policy
+set-manifest-pull-policy:
+	$(info Updating kustomize pull policy file for default resource)
+	sed -i'' -e 's@imagePullPolicy: .*@imagePullPolicy: '"$(PULL_POLICY)"'@' ./config/default/manager_pull_policy.yaml	
+
+## --------------------------------------
+## Docker - All ARCH
+## --------------------------------------
+
+.PHONY: docker-build-all ## Build docker images for all architectures
+docker-build-all: $(addprefix docker-build-,$(ALL_ARCH))
+
+docker-build-%:
+	$(MAKE) ARCH=$* docker-build
+
+.PHONY: docker-push-all ## Push all the architecture docker images
+docker-push-all: $(addprefix docker-push-,$(ALL_ARCH))
+	$(MAKE) docker-push-core-manifest
+
+docker-push-%:
+	$(MAKE) ARCH=$* docker-push
+
+.PHONY: docker-push-core-manifest
+docker-push-core-manifest: ## Push the multiarch manifest for the core docker images
+	## Minimum docker version 18.06.0 is required for creating and pushing manifest images.
+	$(MAKE) docker-push-manifest CONTROLLER_IMG=$(CORE_CONTROLLER_IMG) MANIFEST_FILE=$(CORE_MANIFEST_FILE)
+
+.PHONY: docker-push-manifest
+docker-push-manifest:
+	docker manifest create --amend $(CONTROLLER_IMG):$(TAG) $(shell echo $(ALL_ARCH) | sed -e "s~[^ ]*~$(CONTROLLER_IMG)\-&:$(TAG)~g")
+	@for arch in $(ALL_ARCH); do docker manifest annotate --arch $${arch} ${CONTROLLER_IMG}:${TAG} ${CONTROLLER_IMG}-$${arch}:${TAG}; done
+	docker manifest push --purge ${CONTROLLER_IMG}:${TAG}
+
+## --------------------------------------
+## Lint / Verify
+## --------------------------------------
+
+##@ lint and verify:
+
+.PHONY: lint
+lint: $(GOLANGCI_LINT) ## Lint codebase
+	$(GOLANGCI_LINT) run -v --fast=false
+
+.PHONY: lint-fix
+lint-fix: $(GOLANGCI_LINT) ## Lint the codebase and run auto-fixers if supported by the linter
+	GOLANGCI_LINT_EXTRA_ARGS=--fix $(MAKE) lint
+
+ALL_VERIFY_CHECKS = doctoc boilerplate shellcheck modules gen conversions #tiltfile
 
 .PHONY: verify
-verify:
-	./hack/verify-boilerplate.sh
+verify: $(addprefix verify-,$(ALL_VERIFY_CHECKS)) ## Run all verify-* targets
+
+.PHONY: verify-doctoc
+verify-doctoc:
 	./hack/verify-doctoc.sh
+
+.PHONY: verify-boilerplate
+verify-boilerplate: ## Verify boilerplate text exists in each file
+	./hack/verify-boilerplate.sh
+
+.PHONY: verify-shellcheck
+verify-shellcheck: ## Verify shell files
 	./hack/verify-shellcheck.sh
-	#TODO(mkumatag): looking for tiltfile, fix it when we use tilt
-	#./hack/verify-starlark.sh
-	$(MAKE) verify-modules
-	$(MAKE) verify-gen
-	$(MAKE) verify-conversions
 
-.PHONY: modules
-modules: ## Runs go mod to ensure modules are up to date.
-	go mod tidy
-	cd $(TOOLS_DIR); go mod tidy
+.PHONY: verify-tiltfile
+verify-tiltfile: ## Verify Tiltfile format
+	./hack/verify-starlark.sh
 
 .PHONY: verify-modules
-verify-modules: modules
+verify-modules: modules ## Verify go modules are up to date
 	@if !(git diff --quiet HEAD -- go.sum go.mod $(TOOLS_DIR)/go.mod $(TOOLS_DIR)/go.sum); then \
 		git diff; \
 		echo "go module files are out of date"; exit 1; \
@@ -421,12 +431,46 @@ verify-modules: modules
 	fi
 
 .PHONY: verify-gen
-verify-gen: generate
+verify-gen: generate ## Verfiy go generated files are up to date
 	@if !(git diff --quiet HEAD); then \
 		git diff; \
 		echo "generated files are out of date, run make generate"; exit 1; \
 	fi
 
 .PHONY: verify-conversions
-verify-conversions: $(CONVERSION_VERIFIER)
+verify-conversions: $(CONVERSION_VERIFIER) ## Verifies expected API conversion are in place
 	$(CONVERSION_VERIFIER)
+
+## --------------------------------------
+## Cleanup / Verification
+## --------------------------------------
+
+##@ clean:
+
+.PHONY: clean
+clean: ## Remove all generated files
+	$(MAKE) clean-bin
+	$(MAKE) clean-book
+	$(MAKE) clean-temporary
+
+.PHONY: clean-bin
+clean-bin: ## Remove all generated binaries
+	rm -rf $(TOOLS_BIN_DIR)
+
+.PHONY: clean-book
+clean-book: ## Remove all generated GitBook files
+	rm -rf ./docs/book/_book
+
+.PHONY: clean-temporary
+clean-temporary: ## Remove all temporary files and folders
+	rm -f minikube.kubeconfig
+	rm -f kubeconfig
+	rm -rf _artifacts
+
+.PHONY: clean-release
+clean-release: ## Remove the release folder
+	rm -rf $(RELEASE_DIR)
+
+.PHONY: clean-generated-conversions
+clean-generated-conversions: ## Remove files generated by conversion-gen from the mentioned dirs
+	(IFS=','; for i in $(SRC_DIRS); do find $$i -type f -name 'zz_generated.conversion*' -exec rm -f {} \;; done)
diff --git a/hack/tools/Makefile b/hack/tools/Makefile
index f67919121..53b49dc20 100644
--- a/hack/tools/Makefile
+++ b/hack/tools/Makefile
@@ -12,6 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+.DEFAULT_GOAL:=help
+
 ROOT_DIR_RELATIVE := ../..
 include $(ROOT_DIR_RELATIVE)/common.mk
 
@@ -41,12 +43,21 @@ ifeq ($(OS), windows)
 	MDBOOK_EXTRACT_COMMAND := unzip -d /tmp
 endif
 
+help:  # Display this help
+	@awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n  make \033[36m<target>\033[0m\n\nTargets:\n"} /^[0-9A-Za-z_-]+:.*?##/ { printf "  \033[36m%-45s\033[0m %s\n", $$1, $$2 } /^\$$\([0-9A-Za-z_-]+\):.*?##/ { gsub("_","-", $$1); printf "  \033[36m%-45s\033[0m %s\n", tolower(substr($$1, 3, length($$1)-3)), $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)
+
+## --------------------------------------
+## Hack / Tools
+## --------------------------------------
+
+##@ hack/tools:
+
 GOLANGCI_LINT := $(BIN_DIR)/golangci-lint
-$(GOLANGCI_LINT): $(BIN_DIR) go.mod go.sum # Build golangci-lint from tools folder.
+$(GOLANGCI_LINT): $(BIN_DIR) go.mod go.sum ## Build a local copy of golangci-lint.
 	go build -tags=tools -o $@ github.com/golangci/golangci-lint/cmd/golangci-lint
 
 KUSTOMIZE := $(BIN_DIR)/kustomize
-$(KUSTOMIZE): $(BIN_DIR) go.mod go.sum # Build kustomize from tools folder.
+$(KUSTOMIZE): $(BIN_DIR) go.mod go.sum ## Build a local copy of kustomize.
 	CGO_ENABLED=0 go build -tags=tools -o $@ sigs.k8s.io/kustomize/kustomize/v4
 
 MDBOOK_SHARE := $(SHARE_DIR)/mdbook$(MDBOOK_ARCHIVE_EXT)
@@ -72,33 +83,33 @@ $(MDBOOK_TABULATE): $(BIN_DIR) go.mod go.sum
 	go build -tags=tools -o $(BIN_DIR)/mdbook-tabulate sigs.k8s.io/cluster-api/hack/tools/mdbook/tabulate
 
 GOJQ := $(BIN_DIR)/gojq
-$(GOJQ): $(BIN_DIR) go.mod go.sum
+$(GOJQ): $(BIN_DIR) go.mod go.sum ## Build a local copy of gojq.
 	go build -tags=tools -o $@ github.com/itchyny/gojq/cmd/gojq
 
 CONVERSION_GEN := $(BIN_DIR)/conversion-gen
-$(CONVERSION_GEN): $(BIN_DIR) go.mod go.sum
+$(CONVERSION_GEN): $(BIN_DIR) go.mod go.sum ## Build a local copy of conversion-gen.
 	go build -tags=tools -o $@ k8s.io/code-generator/cmd/conversion-gen
 
 GINKGO := $(BIN_DIR)/ginkgo
-$(GINKGO): $(BIN_DIR) go.mod go.sum
+$(GINKGO): $(BIN_DIR) go.mod go.sum ## Build a local copy of ginkgo.
 	go build -tags=tools -o $@ github.com/onsi/ginkgo/ginkgo
 
 ENVSUBST := $(BIN_DIR)/envsubst
-$(ENVSUBST): $(BIN_DIR) go.mod go.sum
+$(ENVSUBST): $(BIN_DIR) go.mod go.sum ## Build a local copy of envsubst.
 	go build -tags=tools -o $@ github.com/drone/envsubst/v2/cmd/envsubst
 
 MOCKGEN := $(BIN_DIR)/mockgen
-$(MOCKGEN): $(BIN_DIR) go.mod go.sum
+$(MOCKGEN): $(BIN_DIR) go.mod go.sum ## Build a local copy of mockgen.
 	go build -tags=tools -o $@ github.com/golang/mock/mockgen
 
 CONTROLLER_GEN := $(BIN_DIR)/controller-gen
-$(CONTROLLER_GEN): $(BIN_DIR) go.mod go.sum
+$(CONTROLLER_GEN): $(BIN_DIR) go.mod go.sum ## Build a local copy of controller-gen.
 	go build -tags=tools -o $@ sigs.k8s.io/controller-tools/cmd/controller-gen
 
 CONVERSION_VERIFIER := $(BIN_DIR)/conversion-verifier
-$(CONVERSION_VERIFIER): $(BIN_DIR) go.mod go.sum
+$(CONVERSION_VERIFIER): $(BIN_DIR) go.mod go.sum ## Build a local copy of conversion-verifier.
 	go build -tags=tools -o $@ sigs.k8s.io/cluster-api/hack/tools/conversion-verifier
 
 SETUP_ENVTEST := $(BIN_DIR)/setup-envtest
-$(SETUP_ENVTEST): $(BIN_DIR) go.mod go.sum
+$(SETUP_ENVTEST): $(BIN_DIR) go.mod go.sum ## Build a local copy of setup-envtest.
 	go build -tags=tools -o $@ sigs.k8s.io/controller-runtime/tools/setup-envtest