Apply Sandro Tosi's spelling patch
diff --git a/src/util.h b/src/util.h
index 6724f5a..d1157a7 100644
--- a/src/util.h
+++ b/src/util.h
@@ -18,7 +18,7 @@
 
 /*
  * pymemcompat written by Michael Hudson and lets you program to the
- * Python 2.3 memory API while keeping backwards compatability.
+ * Python 2.3 memory API while keeping backwards compatibility.
  */
 #include "pymemcompat.h"