diff --git a/luk/12/25.md b/luk/12/25.md
index a4c4e770cc..abb2419bab 100644
--- a/luk/12/25.md
+++ b/luk/12/25.md
@@ -2,7 +2,7 @@
 
 "None of you can make your life any longer by being anxious!"
 
-# cubit
+# a cubit
 
 the length from a man's elbow to the end of his fingers