diff --git a/src/mame/drivers/hh_sm510.cpp b/src/mame/drivers/hh_sm510.cpp
index 8f5431e4fb8..f6ea95ae474 100644
--- a/src/mame/drivers/hh_sm510.cpp
+++ b/src/mame/drivers/hh_sm510.cpp
@@ -267,7 +267,7 @@ WRITE8_MEMBER(hh_sm510_state::piezo_input_w)
   BTANB: At the basket, the ball goes missing sometimes for 1 frame, or
   may show 2 balls at the same time. It's the same on the real handheld.
   Another BTANB? If a period is over at the same time a defender on the
-  2nd row grabs the ball, his arm won't be erased until it's redrawn.
+  2nd column grabs the ball, his arm won't be erased until it's redrawn.
 
 ***************************************************************************/