diff --git a/querydsl-sql/src/main/java/com/mysema/query/sql/RelationalPathExtractor.java b/querydsl-sql/src/main/java/com/mysema/query/sql/RelationalPathExtractor.java
index 939e08519..00b8853fb 100644
--- a/querydsl-sql/src/main/java/com/mysema/query/sql/RelationalPathExtractor.java
+++ b/querydsl-sql/src/main/java/com/mysema/query/sql/RelationalPathExtractor.java
@@ -32,6 +32,8 @@ import com.mysema.query.types.TemplateExpression;
 import com.mysema.query.types.Visitor;
 
 /**
+ * RelationalPathExtractor extracts RelationlPath instances from expressions and queries
+ *
  * @author tiwe
  *
  */