Merge pull request #1430 from whereswaldon/patch-1

Fix simple typo in HACKING.md
diff --git a/HACKING.md b/HACKING.md
index 9198bdf..5e88958 100644
--- a/HACKING.md
+++ b/HACKING.md
@@ -95,7 +95,7 @@
 Generally it's the [Google C++ coding style][], but in brief:
 
 * Function name are camelcase.
-* Member methods are camelcase, expect for trivial getters which are
+* Member methods are camelcase, except for trivial getters which are
   underscore separated.
 * Local variables are underscore separated.
 * Member variables are underscore separated and suffixed by an extra