Update Pinyin description

Author: Jack251970

Flow.Launcher/Languages/en.xaml

@@ -121,7 +121,7 @@
     <system:String x:Key="SearchPrecisionLow">Low</system:String>
     <system:String x:Key="SearchPrecisionRegular">Regular</system:String>
     <system:String x:Key="ShouldUsePinyin">Search with Pinyin</system:String>
-    <system:String x:Key="ShouldUsePinyinToolTip">Allows using Pinyin to search. Pinyin is the standard system of romanized spelling for translating Chinese.</system:String>
+    <system:String x:Key="ShouldUsePinyinToolTip">Allows using Pinyin to search. Pinyin is the standard system of romanized spelling for translating Chinese. Enabling it can introduce more memory usage during searching.</system:String>
     <system:String x:Key="ShouldUseDoublePinyin">Use Double Pinyin</system:String>
     <system:String x:Key="ShouldUseDoublePinyinToolTip">Use Double Pinyin instead of Full Pinyin to search.</system:String>
     <system:String x:Key="DoublePinyinSchema">Double Pinyin Schema</system:String>