docs: improve wording

Co-authored-by: uncenter <[email protected]>

runtime/themes/catppuccin_mocha.toml

@@ -1,5 +1,4 @@
-# NOTE: For contributors looking to change the theme, please submit the change as a PR in https://github.com/catppuccin/helix
-# Do not directly change this theme in the Helix editor repository, as we frequently sync changes from the catppuccin helix theme repo
+# NOTE: For contributors looking to modify the theme, please submit a pull request at https://github.com/catppuccin/helix instead of updating this file. Changes are frequently synchronized from the catppuccin/helix theme repository.
 # Syntax highlighting
 # -------------------
 "attribute" = "yellow"