diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 488d08b..377e6f0 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -30,7 +30,7 @@ there are a number of additional things to keep in mind.
 
    - Local variables should be used whenever possible.
    - Prefer `zstyle` over environment variables for configuration.
-   - Use the `my_func()` syntax for defining functions.
+   - Use the function keyword to define functions.
    - The 80 character hard limit can be waved for readability.
 
 #### Using an Alternative zprezto Directory
diff --git a/init.zsh b/init.zsh
index eb16091..be56566 100644
--- a/init.zsh
+++ b/init.zsh
@@ -20,49 +20,51 @@ unset min_zsh_version
 # zprezto convenience updater
 # The function is surrounded by ( ) instead of { } so it starts in a subshell
 # and won't affect the environment of the calling shell
-function zprezto-update () (
-  function cannot-fast-forward {
-    local STATUS="$1"
-    [[ -n "${STATUS}" ]] && printf "%s\n" "${STATUS}"
-    printf "Unable to fast-forward the changes. You can fix this by "
-    printf "running\ncd '%s' and then\n'git pull' " "${ZPREZTODIR}"
-    printf "to manually pull and possibly merge in changes\n"
-  }
-  cd -q -- "${ZPREZTODIR}" || return 7
-  local orig_branch="$(git symbolic-ref HEAD 2>/dev/null | cut -d '/' -f 3)"
-  if [[ "$orig_branch" == "master" ]]; then
-    git fetch || return "$?"
-    local UPSTREAM=$(git rev-parse '@{u}')
-    local LOCAL=$(git rev-parse @)
-    local REMOTE=$(git rev-parse "$UPSTREAM")
-    local BASE=$(git merge-base @ "$UPSTREAM")
-    if [[ $LOCAL == $REMOTE ]]; then
-      printf "There are no updates.\n"
-      return 0
-    elif [[ $LOCAL == $BASE ]]; then
-      printf "There is an update availible. Trying to pull.\n\n"
-      if git pull --ff-only; then
-        printf "Syncing submodules\n"
-        git submodule update --recursive
-        return $?
+function zprezto-update {
+  (
+    function cannot-fast-forward {
+      local STATUS="$1"
+      [[ -n "${STATUS}" ]] && printf "%s\n" "${STATUS}"
+      printf "Unable to fast-forward the changes. You can fix this by "
+      printf "running\ncd '%s' and then\n'git pull' " "${ZPREZTODIR}"
+      printf "to manually pull and possibly merge in changes\n"
+    }
+    cd -q -- "${ZPREZTODIR}" || return 7
+    local orig_branch="$(git symbolic-ref HEAD 2>/dev/null | cut -d '/' -f 3)"
+    if [[ "$orig_branch" == "master" ]]; then
+      git fetch || return "$?"
+      local UPSTREAM=$(git rev-parse '@{u}')
+      local LOCAL=$(git rev-parse @)
+      local REMOTE=$(git rev-parse "$UPSTREAM")
+      local BASE=$(git merge-base @ "$UPSTREAM")
+      if [[ $LOCAL == $REMOTE ]]; then
+        printf "There are no updates.\n"
+        return 0
+      elif [[ $LOCAL == $BASE ]]; then
+        printf "There is an update availible. Trying to pull.\n\n"
+        if git pull --ff-only; then
+          printf "Syncing submodules\n"
+          git submodule update --recursive
+          return $?
+        else
+          cannot-fast-forward
+          return 1
+        fi
+      elif [[ $REMOTE == $BASE ]]; then
+        cannot-fast-forward "Commits in master that aren't in upstream."
+        return 1
       else
-        cannot-fast-forward
+        cannot-fast-forward "Upstream and local have diverged."
         return 1
       fi
-    elif [[ $REMOTE == $BASE ]]; then
-      cannot-fast-forward "Commits in master that aren't in upstream."
-      return 1
     else
-      cannot-fast-forward "Upstream and local have diverged."
+      printf "zprezto install at '%s' is not on the master branch " "${ZPREZTODIR}"
+      printf "(you're on '%s')\nUnable to automatically update.\n" "${orig_branch}"
       return 1
     fi
-  else
-    printf "zprezto install at '%s' is not on the master branch " "${ZPREZTODIR}"
-    printf "(you're on '%s')\nUnable to automatically update.\n" "${orig_branch}"
     return 1
-  fi
-  return 1
-)
+  )
+}
 #
 # Module Loader
 #