#11515: fix several typos. Patch by Piotr Kasprzyk.
diff --git a/Python/_warnings.c b/Python/_warnings.c
index 56e8b3a..543e0bb 100644
--- a/Python/_warnings.c
+++ b/Python/_warnings.c
@@ -732,7 +732,7 @@
     return 0;
 }
 
-/* PyErr_Warn is only for backwards compatability and will be removed.
+/* PyErr_Warn is only for backwards compatibility and will be removed.
    Use PyErr_WarnEx instead. */
 
 #undef PyErr_Warn