diff --git a/configure.ac b/configure.ac
index 9695fe3691..3eaf293993 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1251,10 +1251,11 @@ AC_ARG_WITH([fnord],
   ])
 
 ## ----------------------------------------------------------------------
-## Is the dmalloc present? It has a header file `dmalloc.h' and a library
-## `-ldmalloc' and their locations might be specified with the `--with-dmalloc'
-## command-line switch. The value is an include path and/or a library path.
-## If the library path is specified then it must be preceded by a comma.
+## Is dmalloc (debug malloc library) requested? It has a header file 
+## `dmalloc.h' and a library `-ldmalloc' and their locations might be
+## specified with the `--with-dmalloc' command-line switch. The value 
+## is an include path and/or a library path. If the library path is
+## specified then it must be preceded by a comma.
 ##
 AC_SUBST([HAVE_DMALLOC])