Disable macOS double space period

Disable the double space period (or dot) in macOS

Holy . crap . this . is . annoying. Let's fix it.
Zach Zach (199)
Total time: 1 minute 

I thought I was going crazy because . kept showing up while I was typing in Sublime Text. I realized that my terrible MacBook keyboard wasn't [fully] to blame—it turns out there's a new(ish) feature in macOS that automatically adds a period when you double-tap the keyboard, carrying over functionality from iOS.

This guide will teach you how to prevent macOS from adding a dot, or period, when you press the space bar twice.

Here's everything you'll need to complete this guide:

macOS×1
macOS System Preferences

In the menu bar, Navigate to  Apple Icon > System Preferences.

macOS Keyboard Settings Text menu

Select the Keyboard menu item to access Keyboard Settings and then select the Text tab.

Changing macOS Keyboard Text Settings

Uncheck Add period with double-space. Then, close System Preferences.

You're all done!