diff --git a/libraries/animation/src/RotationConstraint.h b/libraries/animation/src/RotationConstraint.h
index e664a9d8af..a05c0d0526 100644
--- a/libraries/animation/src/RotationConstraint.h
+++ b/libraries/animation/src/RotationConstraint.h
@@ -1,5 +1,5 @@
 //
-//  RotationConstrain.h
+//  RotationConstraint.h
 //
 //  Copyright 2015 High Fidelity, Inc.
 //