diff --git a/zsh_completion.zsh b/zsh_completion.zsh
index cd5b373c3..086447843 100644
--- a/zsh_completion.zsh
+++ b/zsh_completion.zsh
@@ -13,32 +13,35 @@ _lein() {
     _call_function 1 _lein_${words[1]}
   else
     _values "lein command" \
-     "check[Check syntax and warn on reflection.]" \
-     "classpath[Print the classpath of the current project.]" \
-     "clean[Remove all files from project's target-path.]" \
-     "compile[Compile Clojure source into \.class files.]" \
-     "deploy[Build jar and deploy to remote repository.]" \
-     "deps[Download :dependencies.]" \
-     "help[Display a list of tasks or help for a given task.]" \
-     "install[Install current project to the local repository.]" \
-     "jack-in[Jack in to a Clojure SLIME session from Emacs.]" \
-     "jar[Package up all the project's files into a jar file.]" \
-     "javac[Compile Java source files.]" \
-     "new[Create a new project skeleton.]" \
-     "plugin[Manage user-level plugins.]" \
-     "pom[Write a pom.xml file to disk for Maven interoperability.]" \
-     "profiles[List all available profiles or display one if given an argument.]" \
-     "repl[Start a repl session either with the current project or standalone.]" \
-     "retest[Run only the test namespaces which failed last time around.]" \
-     "run[Run the project's -main function.]" \
-     "search[Search remote repositories.]" \
-     "swank[Launch swank server for Emacs to connect.]" \
-     "test[Run the project's tests.]" \
-     "trampoline[Run a task without nesting the project's JVM inside Leiningen's.]" \
-     "uberjar[Package up the project files and all dependencies into a jar file.]" \
-     "upgrade[Upgrade Leiningen to the latest stable release.]" \
-     "version[Print version for Leiningen and the current JVM.]" \
-     "with-profile[Apply the given task with the profile(s) specified.]"
+      "change[Rewrite project.clj by applying a function.]" \
+      "check[Check syntax and warn on reflection.]" \
+      "classpath[Print the classpath of the current project.]" \
+      "clean[Remove all files from project's target-path.]" \
+      "compile[Compile Clojure source into .class files.]" \
+      "deploy[Build and deploy jar to remote repository.]" \
+      "deps[Download all dependencies.]" \
+      "do[Higher-order task to perform other tasks in succession.]" \
+      "help[Display a list of tasks or help for a given task.]" \
+      "install[Install the current project to the local repository.]" \
+      "jar[Package up all the project's files into a jar file.]" \
+      "javac[Compile Java source files.]" \
+      "new[Generate project scaffolding based on a template.]" \
+      "plugin[DEPRECATED. Please use the :user profile instead.]" \
+      "pom[Write a pom.xml file to disk for Maven interoperability.]" \
+      "release[Perform :release-tasks.]" \
+      "repl[Start a repl session either with the current project or standalone.]" \
+      "retest[Run only the test namespaces which failed last time around.]" \
+      "run[Run a -main function with optional command-line arguments.]" \
+      "search[Search remote maven repositories for matching jars.]" \
+      "show-profiles[List all available profiles or display one if given an argument.]" \
+      "test[Run the project's tests.]" \
+      "trampoline[Run a task without nesting the project's JVM inside Leiningen's.]" \
+      "uberjar[Package up the project files and dependencies into a jar file.]" \
+      "update-in[Perform arbitrary transformations on your project map.]" \
+      "upgrade[Upgrade Leiningen to specified version or latest stable.]" \
+      "vcs[Interact with the version control system.]" \
+      "version[Print version for Leiningen and the current JVM.]" \
+      "with-profile[Apply the given task with the profile(s) specified.]"
   fi
 }