diff --git a/src/order_base.h b/src/order_base.h
index d0e4b4da62..eaf050cbda 100644
--- a/src/order_base.h
+++ b/src/order_base.h
@@ -81,7 +81,7 @@ public:
 
 	/**
 	 * Is this a 'goto' order with a real destination?
-	 * @return True if the type sis either #OT_GOTO_WAYPOINT, #OT_GOTO_DEPOT or #OT_GOTO_STATION.
+	 * @return True if the type is either #OT_GOTO_WAYPOINT, #OT_GOTO_DEPOT or #OT_GOTO_STATION.
 	 */
 	inline bool IsGotoOrder() const
 	{