diff --git a/src/asm/rgbasm.5 b/src/asm/rgbasm.5
index ce5b3ced..bb69b844 100644
--- a/src/asm/rgbasm.5
+++ b/src/asm/rgbasm.5
@@ -1,3 +1,4 @@
+'\" e
 .\"
 .\" This file is part of RGBDS.
 .\"