diff --git a/src/mame/drivers/vamphalf.cpp b/src/mame/drivers/vamphalf.cpp
index 1c19a20b5cc..dd235214833 100644
--- a/src/mame/drivers/vamphalf.cpp
+++ b/src/mame/drivers/vamphalf.cpp
@@ -1432,7 +1432,7 @@ Measured Clocks:
   YM2151  @ 3.5MHz (28MHz/8)
   M6295   @ 1.75MH (28MHz/16), Pin7 High
    H-Sync @ 15.625KHz
-   V-Sync @ 59.189KHz
+   V-Sync @ 59.189Hz
 
 */