diff --git a/libwccl/parser/Parser.h b/libwccl/parser/Parser.h
index 365b7b90ca884fc70087b16612079159713a3ece..7e5b00c25e9f1f339a403fe6cf97207f069091d9 100644
--- a/libwccl/parser/Parser.h
+++ b/libwccl/parser/Parser.h
@@ -70,21 +70,21 @@ public:
 	// ---------------------------------------------------------------------------
 	// Parsing rule sequence from input string
 	boost::shared_ptr<RuleSequence>
-			parseRuleSequence(const std::string& operator_string) const;
+			parseRuleSequence(const std::string& rule_string) const;
 	boost::shared_ptr<RuleSequence>
 			parseRuleSequence(std::istream& is) const;
 
 	// ---------------------------------------------------------------------------
 	// Parsing single rule from input string
 	boost::shared_ptr<TagRule>
-			parseSingleRule(const std::string& operator_string) const;
+			parseSingleRule(const std::string& rule_string) const;
 	boost::shared_ptr<TagRule>
 			parseSingleRule(std::istream& is) const;
 
 	// ---------------------------------------------------------------------------
 	// Parsing match rule from input string
 	boost::shared_ptr<Expression>
-			parseMatchRule(const std::string& operator_string) const;
+			parseMatchRule(const std::string& rule_string) const;
 	boost::shared_ptr<Expression>
 			parseMatchRule(std::istream& is) const;