Apply suggestions from code review

Add dot at the end of descriptions

Co-authored-by: Oleksandr Redko <[email protected]>

Author: urgas9

.golangci.next.reference.yml

@@ -2386,7 +2386,7 @@ linters-settings:
     # Default: false
     enable-all-rules: true
 
-    # Enable validation of comment directives
+    # Enable validation of comment directives.
     # See https://github.com/mgechev/revive#comment-directives
     directives:
       - name: specify-disable-reason

.golangci.reference.yml

@@ -2386,7 +2386,7 @@ linters-settings:
     # Default: false
     enable-all-rules: true
 
-    # Enable validation of comment directives
+    # Enable validation of comment directives.
     # See https://github.com/mgechev/revive#comment-directives
     directives:
       - name: specify-disable-reason