updating comment on current workaround for slow parsing

src/main/java/com/intellij/plugins/haxe/lang/parser/haxe.bnf

@@ -738,7 +738,9 @@ prefixExpression ::= (prefixOperator (postfixExpression | valueExpression))
 postfixExpression ::= (assignableValueExpression assignableOperator)
                    | notSuffixExpression                                      { extends=unaryExpression }
 // TODO
-// this expression is incorrect on purpose as notSuffixExpression was causing huge slow donws when parsing nested objectLiterals
+// this expression is incorrect on purpose as notSuffixExpression was causing huge slow downs when parsing nested objectLiterals
+// (remove "!" before suffixOperator tom make it correct again)
+
 // we need to find a way to support the notSuffix  without causing each level of nested objectLiteral to cause n^2 valueExpression parsings
 // since "expr!" is not used anywhere except for macros we can probably get away with this for a while
 notSuffixExpression ::= valueExpression !suffixOperator                       { extends=postfixExpression }