Update LayoutResources.resx

Author: NikolayIT

StyleCop.Analyzers/StyleCop.Analyzers/LayoutRules/LayoutResources.resx

@@ -202,7 +202,7 @@
     <value>Using directives must not be separated by blank line</value>
   </data>
   <data name="SA1516MessageFormatRequire" xml:space="preserve">
-    <value>Using directives myst be separated by blank line</value>
+    <value>Using directives must be separated by blank line</value>
   </data>
   <data name="SA1516Title" xml:space="preserve">
     <value>Elements must be separated by blank line</value>
@@ -234,4 +234,4 @@
   <data name="SA1518Title" xml:space="preserve">
     <value>Use line endings correctly at end of file</value>
   </data>
-</root>
+</root>