Update README.md

Typo.

Author: othree

README.md

@@ -1,6 +1,6 @@
 # javascript-libraries-syntax.vim
 
-Syntax file for javascript libraries. Supports javascript libraris I am using (patches welcome).
+Syntax file for JavaScript libraries. Supports JavaScript libraris I am using (patches welcome).
 Should works well with other JavaScript syntax file. [SyntaxComplete][] also works well on all 
 supported languages.