diff --git a/Doc/libdbm.tex b/Doc/libdbm.tex
index ee2d39f..bae388b 100644
--- a/Doc/libdbm.tex
+++ b/Doc/libdbm.tex
@@ -1,7 +1,7 @@
 \section{Built-in Module \sectcode{dbm}}
 \bimodindex{dbm}
 
-The \code{dbm} module provides an interface to the {\UNIX}
+The \code{dbm} module provides an interface to the \UNIX{}
 \code{(n)dbm} library.  Dbm objects behave like mappings
 (dictionaries), except that keys and values are always strings.
 Printing a dbm object doesn't print the keys and values, and the