Fix tiny typo in comment message

compatability => compatibility

Change-Id: I3181fb2b83df1e2cb60a9eedf319f2ad0a487dba
Signed-off-by: Lin Yang <lin.a.yang@intel.com>

Author: linericyang

openstackclient/image/v1/image.py

@@ -348,7 +348,7 @@ def get_parser(self, prog_name):
             help='List additional fields in output',
         )
 
-        # --page-size has never worked, leave here for silent compatability
+        # --page-size has never worked, leave here for silent compatibility
         # We'll implement limit/marker differently later
         parser.add_argument(
             "--page-size",

openstackclient/image/v2/image.py

@@ -98,7 +98,7 @@ def get_parser(self, prog_name):
             help='List additional fields in output',
         )
 
-        # --page-size has never worked, leave here for silent compatability
+        # --page-size has never worked, leave here for silent compatibility
         # We'll implement limit/marker differently later
         parser.add_argument(
             "--page-size",