Typo fix

Author: saadmk11

readthedocs/api/v2/utils.py

@@ -198,7 +198,8 @@ def trigger_external_build(project, version_list):
     """
     Trigger Builds for all external versions provided.
 
-    The rules are sorted by priority.
+    This will mark all the provided external versions as active
+    and trigger build for those versions
 
     """
     for version_slug in version_list: