Make clear the file must not contain .repo (fixes #30644) (#30656)

lib/ansible/modules/packaging/os/yum_repository.py

@@ -9,9 +9,11 @@ from __future__ import absolute_import, division, print_function
 __metaclass__ = type
 
 
-ANSIBLE_METADATA = {'metadata_version': '1.1',
-                    'status': ['stableinterface'],
-                    'supported_by': 'core'}
+ANSIBLE_METADATA = {
+    'metadata_version': '1.1',
+    'status': ['stableinterface'],
+    'supported_by': 'core'
+}
 
 DOCUMENTATION = '''
 ---
@@ -112,7 +114,8 @@ options:
     required: false
     default: null
     description:
-      - File to use to save the repo in. Defaults to the value of I(name).
+      - File name without the C(.repo) extension to save the repo in. Defaults
+        to the value of I(name).
   gpgcakey:
     required: false
     default: null