diff --git a/Doc/lib/libunicodedata.tex b/Doc/lib/libunicodedata.tex
index b52b708..dcbda77 100644
--- a/Doc/lib/libunicodedata.tex
+++ b/Doc/lib/libunicodedata.tex
@@ -131,7 +131,7 @@
 \versionadded{2.3}
 \end{datadesc}
 
-\begin{datadesc}{db_3_2_0}
+\begin{datadesc}{ucd_3_2_0}
 This is an object that has the same methods as the entire
 module, but uses the Unicode database version 3.2 instead,
 for applications that require this specific version of