diff --git a/src/doc/style-guide/src/principles.md b/src/doc/style-guide/src/principles.md
index c86121e6a46..30fb26014f2 100644
--- a/src/doc/style-guide/src/principles.md
+++ b/src/doc/style-guide/src/principles.md
@@ -19,7 +19,7 @@ following principles (in rough priority order):
 * specifics
     - compatibility with version control practices - preserving diffs,
       merge-friendliness, etc.
-    - preventing right-ward drift
+    - preventing rightward drift
     - minimising vertical space
 
 * application