1diff --git a/plugins/gem/_gem b/plugins/gem/_gem
2index 83cba40d135796280447ee6a1daf6c9e73df53de..975cec602ee800f92b9fbe6afc15a9e98bdd0f9d 100644
3--- a/plugins/gem/_gem
4+++ b/plugins/gem/_gem
5@@ -9,8 +9,9 @@ _gem_installed() {
6 7 local -a _1st_arguments
8 _1st_arguments=(
9+ 'build:Build a gem from a gemspec'
10 'cert:Manage RubyGems certificates and signing settings'
11- 'check:Check installed gems'
12+ 'check:Check a gem repository for added or missing files'
13 'cleanup:Clean up old versions of installed gems in the local repository'
14 'contents:Display the contents of the installed gems'
15 'dependency:Show the dependencies of an installed gem'
16@@ -21,7 +22,7 @@ _1st_arguments=(
17 'install:Install a gem into the local repository'
18 'list:Display gems whose name starts with STRING'
19 'lock:Generate a lockdown list of gems'
20- 'mirror:Mirror a gem repository'
21+ 'mirror:Mirror all gem files (requires rubygems-mirror)'
22 'outdated:Display all gems that need updates'
23 'owner:Manage gem owners on RubyGems.org.'
24 'pristine:Restores installed gems to pristine condition from files located in the gem cache'
25@@ -35,8 +36,9 @@ _1st_arguments=(
26 'stale:List gems along with access times'
27 'uninstall:Uninstall gems from the local repository'
28 'unpack:Unpack an installed gem to the current directory'
29- 'update:Update the named gems (or all installed gems) in the local repository'
30+ 'update:Update installed gems to the latest version'
31 'which:Find the location of a library file you can require'
32+ 'yank:Remove a specific gem version release from RubyGems.org'
33 )
3435 local expl