diff --git a/Doc/lib/liburllib.tex b/Doc/lib/liburllib.tex
index a33cd3a..97d0e92 100644
--- a/Doc/lib/liburllib.tex
+++ b/Doc/lib/liburllib.tex
@@ -107,6 +107,8 @@
 
 Proxies which require authentication for use are not currently
 supported; this is considered an implementation limitation.
+
+\versionchanged[Added the \var{proxies} support]{2.3}
 \end{funcdesc}
 
 \begin{funcdesc}{urlretrieve}{url\optional{, filename\optional{,