- extended documentation

diff --git a/doc/snapper.xml.in b/doc/snapper.xml.in
index ae4bd8baa9e4f2f7325f036fc830dbe4c41ebb9b..dc23de57946f8338af5c5280f9ea817f98ef6248 100644 (file)
--- a/doc/snapper.xml.in
+++ b/doc/snapper.xml.in
@@ -991,6 +991,8 @@
     </variablelist>
     <para>More actions and arguments can be added any time. Using snapper in
     the plugins is not allowed.</para>
+    <para>Ensure plugins execute within a few seconds. Slow-running plugins
+    block the primary interface and degrade user experience.</para>
     <para>It is undefined whether the plugins are called from the
     client (snapper) or server (snapperd).</para>
   </refsect1>