diff --git a/acinclude.m4 b/acinclude.m4
index aca50039c..e644670c2 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -69,7 +69,7 @@ AC_DEFUN([CURL_CHECK_COMPILER_ARRAY_SIZE_NEGATIVE], [
 ])
 
 
-dnl CURL_CHECK_DEF(SYMBOL, [INCLUDES], [SILENT])
+dnl CURL_CHECK_DEF (SYMBOL, [INCLUDES], [SILENT])
 dnl -------------------------------------------------
 dnl Use the C preprocessor to find out if the given object-style symbol
 dnl is defined and get its expansion. This macro will not use default
@@ -3503,3 +3503,4 @@ AC_HELP_STRING([--without-ca-path], [Don't use a default CA path]),
     AC_MSG_RESULT([no])
   fi
 ])
+