Fix metadata description for galaxy_tags.

lib/ansible/galaxy/data/metadata_template.j2

@@ -32,8 +32,7 @@ galaxy_info:
     # List tags for your role here, one per line. A tag is
     # a keyword that describes and categorizes the role.
     # Users find roles by searching for tags. Be sure to
-    # remove the '[]' above if you add dependencies
-    # to this list.
+    # remove the '[]' above if you add tags to this list.
     #
     # NOTE: A tag is limited to a single word comprised of
     # alphanumeric characters. Maximum 20 tags per role.