diff --git a/Doc/ref/refa1.tex b/Doc/ref/refa1.tex
index bd3a38c1237..28f62aeba75 100644
--- a/Doc/ref/refa1.tex
+++ b/Doc/ref/refa1.tex
@@ -165,7 +165,7 @@ in Python 2.2.  They are available in Python 2.1 by using the future
 statement \samp{nested_scopes}.  This section begins with a bit of
 terminology. 
 
-\subsection{Definitions and rules \label{defintions}}
+\subsection{Definitions and rules \label{definitions}}
 
 \dfn{Names} refer to objects.  Names are introduced by name binding
 operations.  Each occurrence of a name in the program text refers to