diff --git a/catsitd.8 b/catsitd.8
index dcc4a38..76d3ef9 100644
--- a/catsitd.8
+++ b/catsitd.8
@@ -127,8 +127,11 @@ The exit status 127
 is always treated as a stop exit.
 .
 .It Fl t Ar restart
-Set the initial interval between restarts
-in milliseconds.
+Set the initial interval in milliseconds
+between automatic restarts.
+This interval is doubled
+each time a service
+is automatically restarted.
 The default interval is 1 second.
 .
 .It Fl u Ar user