diff --git a/doc/bash-completion.sh b/doc/bash-completion.sh
index 81b960523..c4652c36f 100644
--- a/doc/bash-completion.sh
+++ b/doc/bash-completion.sh
@@ -349,6 +349,8 @@ _restic_check()
     local_nonpersistent_flags+=("--help")
     flags+=("--read-data")
     local_nonpersistent_flags+=("--read-data")
+    flags+=("--read-data-subset=")
+    local_nonpersistent_flags+=("--read-data-subset=")
     flags+=("--with-cache")
     local_nonpersistent_flags+=("--with-cache")
     flags+=("--cacert=")
diff --git a/doc/man/restic-check.1 b/doc/man/restic-check.1
index dd64f71c0..c75acb34d 100644
--- a/doc/man/restic-check.1
+++ b/doc/man/restic-check.1
@@ -36,6 +36,10 @@ repository and not use a local cache.
 \fB\-\-read\-data\fP[=false]
     read all data blobs
 
+.PP
+\fB\-\-read\-data\-subset\fP=""
+    read subset of data packs
+
 .PP
 \fB\-\-with\-cache\fP[=false]
     use the cache