Fix markup typo.
diff --git a/Doc/lib/libarray.tex b/Doc/lib/libarray.tex
index d4dc2f0..cfc9cec 100644
--- a/Doc/lib/libarray.tex
+++ b/Doc/lib/libarray.tex
@@ -161,5 +161,5 @@
 
 \begin{seealso}
   \seemodule{struct}{packing and unpacking of heterogeneous binary data}
-  \seemodule{xdrlib{{packing and unpacking of XDR data}
+  \seemodule{xdrlib}{packing and unpacking of XDR data}
 \end{seealso}