Fix typos

CONTRIBUTING.md

@@ -23,7 +23,7 @@ Open the project folder in GNOME Builder, Xcode or another IDE.
 
 ### 3. Understand the Project Structure
 - The `README.md` file contains a description of the app or package.
-- The `Contributors.md` file contains the names or user names of all the contributors with a link to their GitHub profile.
+- The `Contributors.md` file contains the names or usernames of all the contributors with a link to their GitHub profile.
 - The `LICENSE.md` contains an GPL-3.0 license.
 - `CONTRIBUTING.md` is this file.
 - Directory `Icons` that contains PNG and PXD (Pixelmator Pro) files for the images used in the app and guides.

README.md

@@ -56,7 +56,7 @@ Creates a simple counter view:
 
 ## Goals
 
-_Adwaita_’s main goal is to provide an easy-to-use interface for creating GNOME apps. The back end should stay as simple as possible, while not limiting the possibilities there are with [Libadwaita][6] and [GTK][7].
+_Adwaita_’s main goal is to provide an easy-to-use interface for creating GNOME apps. The backend should stay as simple as possible, while not limiting the possibilities there are with [Libadwaita][6] and [GTK][7].
 
 If you want to use _Adwaita_ in a project, but there are widgets missing, open an [issue on GitHub][8].
 

user-manual/Basics/CreatingViews.md

@@ -6,7 +6,7 @@ This is a beginner tutorial. We will create a simple "Hello, world!" app using _
 1. Open your terminal client and navigate to a directory you want to create the package in (e.g. `~/Documents/`).
 2. Create a new folder for the package using `mkdir HelloWorld`.
 3. Enter the newly created folder using `cd HelloWorld`.
-4. Run `swift package init —type executable` for creating a new Swift package.
+4. Run `swift package init --type executable` for creating a new Swift package.
 5. Open the Swift package. If you are using GNOME Builder, click on `Select a Folder…` in the view that appears after opening Builder and open the `HelloWorld` folder.
 
 ## Add the Dependency