secfilter: fix documentation wording

src/modules/secfilter/doc/secfilter_admin.xml

@@ -38,7 +38,7 @@
 	</para>
 	<para>
 		All data will be loaded into memory when the module is started. There is an
-		RPC reload command to update the data in database and memory. It is also
+		RPC reload command to update all the data from database. It is also
 		possible to add new data to the blacklist or whitelist using other RPC commands.
 	</para>
 	</section>