Improve httxt2dbm doc as proposed in PR51372.

Please backport if usefull.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1442400 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/docs/manual/programs/httxt2dbm.xml b/docs/manual/programs/httxt2dbm.xml
index 4bcc56d2bedbfd0628ff7ef97507f61de8365a14..195201e63d15882de0c31e5870cfbf2cb59ac34e 100644 (file)
--- a/docs/manual/programs/httxt2dbm.xml
+++ b/docs/manual/programs/httxt2dbm.xml
@@ -28,8 +28,10 @@
 <summary>
     <p><code>httxt2dbm</code> is used to generate dbm files from text input, for
     use in <directive module="mod_rewrite">RewriteMap</directive> with the
-    <code>dbm</code> map type.
-    </p>
+    <code>dbm</code> map type.</p>
+    
+    <p>If the output file already exists, it will not be truncated. New keys will be
+    added and existing keys will be updated.</p>
 </summary>
 <seealso><program>httpd</program></seealso>
 <seealso><module>mod_rewrite</module></seealso>