diff --git a/src/p_tick.c b/src/p_tick.c
index aaf44f5e1..4c59f8b48 100644
--- a/src/p_tick.c
+++ b/src/p_tick.c
@@ -607,7 +607,7 @@ void P_Ticker(boolean run)
 	}
 
 	// Keep track of how long they've been playing!
-	if (!demoplayback) // Don't incerment if a demo is playing.
+	if (!demoplayback) // Don't increment if a demo is playing.
 		totalplaytime++;
 
 	if (!useNightsSS && G_IsSpecialStage(gamemap))