--- a/graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/expression/SLFunctionLiteralNode.java	Thu Jan 30 17:52:24 2014 -0800
+++ b/graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/expression/SLFunctionLiteralNode.java	Thu Jan 30 17:53:27 2014 -0800
@@ -22,11 +22,18 @@
  */
 package com.oracle.truffle.sl.nodes.expression;
 
+import com.oracle.truffle.api.*;
 import com.oracle.truffle.api.frame.*;
 import com.oracle.truffle.api.nodes.*;
 import com.oracle.truffle.sl.nodes.*;
 import com.oracle.truffle.sl.runtime.*;
 
+/**
+ * Constant literal for a {@link SLFunction function} value, created when a function name occurs as
+ * a literal in SL source code. Note that function redefinition can change the {@link CallTarget
+ * call target} that is executed when calling the function, but the {@link SLFunction} for a name
+ * never changes. This is guaranteed by the {@link SLFunctionRegistry}.
+ */
 @NodeInfo(shortName = "func")
 public final class SLFunctionLiteralNode extends SLExpressionNode {