Remove xreadlines reference
diff --git a/Doc/lib/libbz2.tex b/Doc/lib/libbz2.tex
index 439f2ba..f40b66f 100644
--- a/Doc/lib/libbz2.tex
+++ b/Doc/lib/libbz2.tex
@@ -82,7 +82,7 @@
 \begin{methoddesc}[BZ2File]{xreadlines}{}
 For backward compatibility. \class{BZ2File} objects now include the
 performance optimizations previously implemented in the
-\refmodule{xreadlines} module.
+\module{xreadlines} module.
 \deprecated{2.3}{This exists only for compatibility with the method by
                  this name on \class{file} objects, which is
                  deprecated.  Use \code{for line in file} instead.}