diff --git a/common/transformations/README.md b/common/transformations/README.md
index 78fa6a31c4..13878cb99c 100644
--- a/common/transformations/README.md
+++ b/common/transformations/README.md
@@ -24,7 +24,7 @@ by generating a rotation matrix and multiplying.
 
 
 
-Orientation Conventations
+Orientation Conventions
 ------
 Quaternions, rotation matrices and euler angles are three
 equivalent representations of orientation and all three are