Update README.md

pritansh · pritansh · commit 450112b196ea · 2016-04-16T14:02:20.000+05:30
diff --git a/README.md b/README.md
@@ -74,7 +74,7 @@ For integer and float -> ==,!=,>=,<=,>,<, null,!null
 
 For string -> null,!null,==,!= (memory reference)
 
-null and !null 
+>null and !null 
 
 	str="Hello"
 	if str null:
