Update release checklist template

.github/ISSUE_TEMPLATE/release-checklist.md

@@ -7,15 +7,15 @@ assignees: ''
 ---
 
 Release label: XT x.y.z
-Link to milestone:
+Link to milestone: https://github.com/surge-synthesizer/surge/milestone/xx
 
 - [ ] Address all open issues for the milestone
 - [ ] Update the changelog
 - [ ] Update the manual
 - [ ] Create git markers
-  - [ ] create a branch named `release-xt/x.y.z`
-  - [ ] sign a tag with `git tag -s release_1.6.3 -m "Create signed tag"`, probably after running `gpg --output x.sig --sign CMakeLists.txt` to open your GPG sig again
-  - [ ] push both the branch and tag to upstream
+  - [ ] Create a branch named `release-xt/x.y.z`
+  - [ ] Sign a tag with `git tag -s release_xt_x.y.z -m "Create signed tag"`, probably after running `gpg --output x.sig --sign CMakeLists.txt` to open your GPG sig again
+  - [ ] Push both the branch and tag to upstream
 - [ ] Update and announce
-   - [ ] Update home-brew [doc](https://github.com/surge-synthesizer/surge/tree/master/doc) 
+   - [ ] Update homebrew [doc](https://github.com/surge-synthesizer/surge/tree/master/doc) 
    - [ ] Post to KvR thread, Facebook, Discord, etc.