Update REVIEWER_ASSIGNMENT_COMMENT.md (#12617)

.ci/magician/github/REVIEWER_ASSIGNMENT_COMMENT.md

@@ -1,5 +1,5 @@
 Hello! I am a robot. Tests will require approval from a repository maintainer to run.
 
-@{{.reviewer}}, a repository maintainer, has been assigned to review your changes. If you have not received review feedback within 2 business days, please leave a comment on this PR asking them to take a look.
+@{{.reviewer}}, a repository maintainer, has been assigned to [review your changes](https://googlecloudplatform.github.io/magic-modules/contribute/review-pr/). If you have not received review feedback within 2 business days, please leave a comment on this PR asking them to take a look.
 
-You can help make sure that review is quick by [doing a self-review](https://googlecloudplatform.github.io/magic-modules/contribute/review-pr/) and by [running impacted tests locally](https://googlecloudplatform.github.io/magic-modules/get-started/run-provider-tests/).
+You can help make sure that review is quick by [doing a self-review](https://googlecloudplatform.github.io/magic-modules/contribute/review-pr/) and by [running impacted tests locally](https://googlecloudplatform.github.io/magic-modules/get-started/run-provider-tests/).

.ci/magician/github/reviewer_assignment.go

@@ -68,7 +68,7 @@ func FormatReviewerComment(newPrimaryReviewer string) string {
 	return sb.String()
 }
 
-var reviewerCommentRegex = regexp.MustCompile("@(?P<reviewer>[^,]*), a repository maintainer, has been assigned to review your changes.")
+var reviewerCommentRegex = regexp.MustCompile("@(?P<reviewer>[^,]*), a repository maintainer, has been assigned")
 
 // FindReviewerComment returns the comment which mentions the current primary reviewer and the reviewer's login,
 // or an empty comment and empty string if no such comment is found.