Fix description of comments lines in CODEOWNERS.

doc/user/project/code_owners.md

@@ -112,7 +112,7 @@ in the `.gitignore` file followed by one or more of:
 - A user's `@username`.
 - A user's email address.
 - The `@name` of one or more groups that should be owners of the file.
-- Lines starting with `#` are escaped.
+- Lines starting with `#` are ignored.
 
 The order in which the paths are defined is significant: the last pattern that
 matches a given path will be used to find the code owners.