diff --git a/lib/codegen/meta/constant_hash.py b/lib/codegen/meta/constant_hash.py
index 9ef19ff098..e282936723 100644
--- a/lib/codegen/meta/constant_hash.py
+++ b/lib/codegen/meta/constant_hash.py
@@ -2,7 +2,7 @@
 Generate constant hash tables.
 
 The `constant_hash` module can generate constant pre-populated hash tables. We
-don't attempt parfect hashing, but simply generate an open addressed
+don't attempt perfect hashing, but simply generate an open addressed
 quadratically probed hash table.
 """
 from __future__ import absolute_import