diff --git a/docs/handbook/langref.rst b/docs/handbook/langref.rst
index 28da0151..bbaa357c 100644
--- a/docs/handbook/langref.rst
+++ b/docs/handbook/langref.rst
@@ -752,7 +752,7 @@ The message sending semantics are decomposed into the following functions:
 	+--------------------------+-----------------------------------------------------------------------------------------+
 	| send(rec, sel, args)     | The message send function (:ref:`pp-mesage-send`).                                      |
 	+--------------------------+-----------------------------------------------------------------------------------------+
-	| lookup(obj, rec, sel, V) | The lookup algorithm (:ref:`pp-lookup-algorithm`).                                      |
+	| lookup(obj, sel, V) | The lookup algorithm (:ref:`pp-lookup-algorithm`).                                      |
 	+--------------------------+-----------------------------------------------------------------------------------------+
 	| undirected_resend(...)   | The undirected message resend function (:ref:`pp-undirected-resend`).                   |
 	+--------------------------+-----------------------------------------------------------------------------------------+
@@ -1308,4 +1308,4 @@ Example:
 
 .. [#f13] In order to simplify the presentation, this grammar is ambiguous; precedence and associativity rules are used to resolve the ambiguities.
 
-.. [#f14] Heterogeneous binary messages have no associativity; homogeneous binary messages associate left-to-right.
\ No newline at end of file
+.. [#f14] Heterogeneous binary messages have no associativity; homogeneous binary messages associate left-to-right.