From 0ceb5115ace29ffffac4e37f8f59c75fef23deb0 Mon Sep 17 00:00:00 2001
From: CodinCat <a55951234@gmail.com>
Date: Sun, 19 Mar 2017 13:34:53 -0500
Subject: [PATCH] Use single quotes, remove extra whitespace (#9215)

---
 docs/docs/optimizing-performance.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/docs/docs/optimizing-performance.md b/docs/docs/optimizing-performance.md
index cbb1b9849b..185fb57873 100644
--- a/docs/docs/optimizing-performance.md
+++ b/docs/docs/optimizing-performance.md
@@ -248,9 +248,9 @@ If you're using Create React App, both `Object.assign` and the object spread syn
 Immutability makes tracking changes cheap. A change will always result in a new object so we only need to check if the reference to the object has changed. For example, in this regular JavaScript code:
 
 ```javascript
-const x = { foo: "bar" };
+const x = { foo: 'bar' };
 const y = x;
-y.foo = "baz";
+y.foo = 'baz';
 x === y; // true
 ```
 
@@ -258,7 +258,7 @@ Although `y` was edited, since it's a reference to the same object as `x`, this
 
 ```javascript
 const SomeRecord = Immutable.Record({ foo: null });
-const x = new SomeRecord({ foo: 'bar'  });
+const x = new SomeRecord({ foo: 'bar' });
 const y = x.set('foo', 'baz');
 x === y; // false
 ```