copy: grammar fix

lib/ansible/modules/files/copy.py

@@ -39,7 +39,7 @@ options:
     description:
       - 'Remote absolute path where the file should be copied to. If I(src) is a directory, this must be a directory too.
         If I(dest) is a nonexistent path and if either I(dest) ends with "/" or I(src) is a directory, I(dest) is created.
-        If I(src) and I(dest) are files, then parent directory of I(dest) isn''t created: the task fails if it doesn''t already exist.'
+        If I(src) and I(dest) are files, the parent directory of I(dest) isn''t created: the task fails if it doesn''t already exist.'
     required: yes
   backup:
     description: