diff --git a/configure.in b/configure.in
index f643478ce..5353a15e7 100644
--- a/configure.in
+++ b/configure.in
@@ -254,7 +254,7 @@ AM_CONDITIONAL(USE_INTEGRITY_TEST, test x$integrity_test = xtrue)
 
 AC_ARG_ENABLE(
     [self_test],
-    AS_HELP_STRING([--disable-self-test],[disable the self-test of crypto library (default is NO).]),
+    AS_HELP_STRING([--disable-self-test],[disable the self-test of the crypto library (default is NO).]),
     [if test x$enableval = xyes; then
         self_test=true
      else