- extended man-page

diff --git a/doc/snapper.xml.in b/doc/snapper.xml.in
index 62448eaaf4a30be8d99a9748da4e4fd3e85eb740..e1250f225d176eff388d1226d933b937c2ea2987 100644 (file)
--- a/doc/snapper.xml.in
+++ b/doc/snapper.xml.in
@@ -152,7 +152,8 @@
        </listitem>
       </orderedlist>
       The limit for the used space can be configured via the SPACE_LIMIT
-      variable.
+      variable. Note: Only snapshots that have a cleanup algorithm set are
+      taken into account when calculating the used space.
       </para>
 
     </refsect2>