Update help_ja.vim

Author: h-east

syntax/help_ja.vim

@@ -5,4 +5,4 @@ syn match helpVim "VIMリファレンス.*"
 syn region helpNotVi start="{Vim" start="{|++\?[A-Za-z0-9_/()]\+|" end="}" contains=helpLeadBlank,helpHyperTextJump
 syn match helpWarning "\<警告:"
 syn region helpTransNote start="{訳注:" end="}" contains=helpLeadBlank,helpHyperTextJump
-hi def link helpTransNote Special
+hi def link helpTransNote Special