diff --git a/docs/offlineimap.txt b/docs/offlineimap.txt
index ddafc91..5147e7b 100644
--- a/docs/offlineimap.txt
+++ b/docs/offlineimap.txt
@@ -33,6 +33,10 @@ OPTIONS
 
   Output version.
 
+-V::
+
+  Output offlineimap version and additional imaplib2 information.
+
 --dry-run::
 
   Run in dry run mode.