diff --git a/INSTALL.md b/INSTALL.md
index 7f0a395..e9fb103 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -42,7 +42,7 @@
 2. Add the plugin to the list of plugins for Oh My Zsh to load (inside `~/.zshrc`):
 
     ```sh
-    plugins=( 
+    plugins=(
         # other plugins...
         zsh-autosuggestions
     )
@@ -52,13 +52,14 @@
 
 ## Homebrew
 
-1. Install command: 
+1. Install command:
+
     ```sh
     brew install zsh-autosuggestions
     ```
 
-2. To activate the autosuggestions, add the following at the end of your .zshrc: 
-    
+2. To activate the autosuggestions, add the following at the end of your .zshrc:
+
     ```sh
     source $(brew --prefix)/share/zsh-autosuggestions/zsh-autosuggestions.zsh
     ```
diff --git a/install_test_zsh.sh b/install_test_zsh.sh
index 6cac9f5..fbf24b7 100755
--- a/install_test_zsh.sh
+++ b/install_test_zsh.sh
@@ -5,7 +5,7 @@ set -ex
 mkdir zsh-build
 cd zsh-build
 
-curl -L https://api.github.com/repos/zsh-users/zsh/tarball/zsh-$TEST_ZSH_VERSION | tar xz --strip=1
+curl -L "https://api.github.com/repos/zsh-users/zsh/tarball/zsh-$TEST_ZSH_VERSION" | tar xz --strip=1
 
 ./Util/preconfig
 ./configure --enable-pcre \
diff --git a/src/bind.zsh b/src/bind.zsh
index 1dde137..7d8eda6 100644
--- a/src/bind.zsh
+++ b/src/bind.zsh
@@ -63,7 +63,7 @@ _zsh_autosuggest_bind_widget() {
 _zsh_autosuggest_bind_widgets() {
 	emulate -L zsh
 
- 	local widget
+	local widget
 	local ignore_widgets
 
 	ignore_widgets=(
diff --git a/zsh-autosuggestions.zsh b/zsh-autosuggestions.zsh
index e780225..37805a2 100644
--- a/zsh-autosuggestions.zsh
+++ b/zsh-autosuggestions.zsh
@@ -3,7 +3,7 @@
 # v0.7.1
 # Copyright (c) 2013 Thiago de Arruda
 # Copyright (c) 2016-2021 Eric Freese
-# 
+#
 # Permission is hereby granted, free of charge, to any person
 # obtaining a copy of this software and associated documentation
 # files (the "Software"), to deal in the Software without
@@ -12,10 +12,10 @@
 # copies of the Software, and to permit persons to whom the
 # Software is furnished to do so, subject to the following
 # conditions:
-# 
+#
 # The above copyright notice and this permission notice shall be
 # included in all copies or substantial portions of the Software.
-# 
+#
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 # OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
@@ -195,7 +195,7 @@ _zsh_autosuggest_bind_widget() {
 _zsh_autosuggest_bind_widgets() {
 	emulate -L zsh
 
- 	local widget
+	local widget
 	local ignore_widgets
 
 	ignore_widgets=(