diff --git a/doc/man/restic-forget.1 b/doc/man/restic-forget.1
index 4e09a3df5..0a18e93f5 100644
--- a/doc/man/restic-forget.1
+++ b/doc/man/restic-forget.1
@@ -66,6 +66,10 @@ data after 'forget' was run successfully, see the 'prune' command.
 \fB\-\-path\fP=[]
     only consider snapshots which include this (absolute) \fB\fCpath\fR (can be specified multiple times)
 
+.PP
+\fB\-c\fP, \fB\-\-compact\fP[=false]
+    use compact format
+
 .PP
 \fB\-g\fP, \fB\-\-group\-by\fP="host,paths"
     string for grouping snapshots by host,paths,tags