fix typo

CatxFish · CatxFish · commit 5bdc466df234 · 2018-07-04T17:05:26.000+08:00
diff --git a/locale/en-US.ini b/locale/en-US.ini
@@ -1,5 +1,5 @@
 Motion="Motion(One way)"
-RoundTripMotion="Motion(Round-trip)"
+RoundTripMotion="Motion(Round trip)"
 Start.GivenPosition="Start with given position"
 Start.GivenScale="Start with given scale"
 Start.X="Start Position X"
