--- a/tests/test-completion.t	Fri Mar 09 15:53:41 2018 +0100
+++ b/tests/test-completion.t	Sat Mar 10 12:33:19 2018 +0530
@@ -231,7 +231,7 @@
   commit: addremove, close-branch, amend, secret, edit, interactive, include, exclude, message, logfile, date, user, subrepos
   diff: rev, change, text, git, binary, nodates, noprefix, show-function, reverse, ignore-all-space, ignore-space-change, ignore-blank-lines, ignore-space-at-eol, unified, stat, root, include, exclude, subrepos
   export: output, switch-parent, rev, text, git, binary, nodates
-  forget: include, exclude
+  forget: include, exclude, dry-run
   init: ssh, remotecmd, insecure
   log: follow, follow-first, date, copies, keyword, rev, line-range, removed, only-merges, user, only-branch, branch, prune, patch, git, limit, no-merges, stat, graph, style, template, include, exclude
   merge: force, rev, preview, abort, tool