diff --git a/clean_files.txt b/clean_files.txt
index fd051078..be42f2cd 100644
--- a/clean_files.txt
+++ b/clean_files.txt
@@ -57,6 +57,7 @@ plugins/available/xterm.plugin.bash
 
 # completions
 #
+completion/available/brew.completion.bash
 completion/available/cargo.completion.bash
 completion/available/knife.completion.bash
 completion/available/packer.completion.bash
diff --git a/completion/available/brew.completion.bash b/completion/available/brew.completion.bash
index 4bdaf53d..39d58841 100644
--- a/completion/available/brew.completion.bash
+++ b/completion/available/brew.completion.bash
@@ -1,11 +1,13 @@
-#!/usr/bin/env bash
+# shellcheck shell=bash
+cite "about-completion"
+about-completion "brew completion"
 
 # Load late to make sure `system` completion loads first
 # BASH_IT_LOAD_PRIORITY: 375
 
-if [[ "$(uname -s)" != 'Darwin' ]] ; then
-  _log_warning "unsupported operating system - only 'Darwin' is supported"
-  return 0
+if [[ "$(uname -s)" != 'Darwin' ]]; then
+	_log_warning "unsupported operating system - only 'Darwin' is supported"
+	return 0
 fi
 
 # Make sure brew is installed
@@ -13,15 +15,15 @@ _command_exists brew || return 0
 
 BREW_PREFIX=${BREW_PREFIX:-$(brew --prefix)}
 
-if [[ -r "$BREW_PREFIX"/etc/bash_completion.d/brew ]] ; then
-  source "$BREW_PREFIX"/etc/bash_completion.d/brew
+if [[ -r "$BREW_PREFIX"/etc/bash_completion.d/brew ]]; then
+	source "$BREW_PREFIX"/etc/bash_completion.d/brew
 
-elif [[ -r "$BREW_PREFIX"/Library/Contributions/brew_bash_completion.sh ]] ; then
-  source "$BREW_PREFIX"/Library/Contributions/brew_bash_completion.sh
+elif [[ -r "$BREW_PREFIX"/Library/Contributions/brew_bash_completion.sh ]]; then
+	source "$BREW_PREFIX"/Library/Contributions/brew_bash_completion.sh
 
-elif [[ -f "$BREW_PREFIX"/completions/bash/brew ]] ; then
-  # For the git-clone based installation, see here for more info:
-  # https://github.com/Bash-it/bash-it/issues/1458
-  # https://docs.brew.sh/Shell-Completion
-  source "$BREW_PREFIX"/completions/bash/brew
+elif [[ -f "$BREW_PREFIX"/completions/bash/brew ]]; then
+	# For the git-clone based installation, see here for more info:
+	# https://github.com/Bash-it/bash-it/issues/1458
+	# https://docs.brew.sh/Shell-Completion
+	source "$BREW_PREFIX"/completions/bash/brew
 fi