Apply suggestions from code review

Co-authored-by: Flavio Castelli <[email protected]>
Signed-off-by: José Guilherme Vanz <[email protected]>

docs/operator-manual/airgap/02-install.md

@@ -31,7 +31,7 @@ helm template ./cert-manager-<Version>.tgz | \
   --image-list ./kubewarden-images.txt \
   --images kubewarden-images.tar.gz
 ```
-Docker begins pulling the images used for an air gap install. Be patient. This process takes a few minutes.
+Docker begins pulling the images used for an air-gap install. Be patient. This process takes a few minutes.
 When the process completes, your current directory will output a tarball named `kubewarden-images.tar.gz`. It will be present in the same directory where you executed the command.
 
 ## Save policies in your workstation
@@ -124,7 +124,7 @@ helm install --wait -n kubewarden \
 ```
 helm install --wait -n kubewarden \
   kubewarden-defaults kubewarden-defaults.tgz \
-  --set common.cattle.systemDefaultRegistry=<REGISTRY.YOURDOMAIN.COM:PORT>
+  --set common.cattle.systemDefaultRegistry=<REGISTRY.YOURDOMAIN.COM:PORT> \
   --set recommendedPolicies.defaultPoliciesRegistry=<REGISTRY.YOURDOMAIN.COM:PORT>
 ```