Fix based on suggestions

src/SUMMARY.md

@@ -5,11 +5,10 @@
 - [What is Linux?](./ch1-linux.md)
   - [How to Install Linux](./ch1.1-linux-installation.md)
   - [Using the Linux Terminal](./ch1.2-linux-terminal.md)
-- [What is Git? Why Git?](./ch2-git.md)
+- [What is Git?](./ch2-git.md)
   - [How to Install git](./ch2.1-git-installation.md)
   - [Using git](./ch2.2-using-git.md)
 
 ---
 
 [Cheat Sheet](./cheat-sheet.md)
-

src/ch2-git.md

@@ -1,4 +1,4 @@
-# What is Git? Why Git?
+# What is Git?
 
 ### Version control
 
@@ -11,4 +11,3 @@ It basically takes a picture of what your files look like at the moment and stor
 Lets say that you need to work on a coding project with your lab partner. How can both of you work on the same codebase?
 
 Git makes this possible
-

src/ch2.1-git-installation.md

@@ -2,10 +2,12 @@
 
 ## Linux
 
-Install it using your favourite package manager.
+On linux _Ubuntu_ you can use the following package
 
 `$ sudo apt-get install git-all`
 
+For other Linux distros you can use the same name for the package `git-all`
+
 ## MacOS
 
 MacOS will already have git installed by default.

src/ch2.2-using-git.md

@@ -8,6 +8,8 @@ In our case main will be our master repository. This is the main code that will
 
 ### Branches
 
+Branches allow you to work on different versions of your project simultaneously without affecting the main codebase
+
 From this main code you can create branches, this allows you to make changes without the chance of ruining the main code. Think of it as a copy of your code that you can now change with zero risks.
 
 Use this command to create a new branch: