diff --git a/rom/02/20.md b/rom/02/20.md
index 844e2881bb..ec3605708a 100644
--- a/rom/02/20.md
+++ b/rom/02/20.md
@@ -1,4 +1,4 @@
-# a instructor of the foolish
+# an instructor of the foolish
 
 "you correct those who do wrong"