Update NEWCOMERS.md

Very minor punctuation and typo errors

Author: mikeysan

NEWCOMERS.md

@@ -7,17 +7,17 @@ To make changes to a repository, follow these steps;
 
 # Clone your fork to your local machine
 This simply means getting a copy of the repository on your personal computer.
-On your computer terminal, cd into the directory you want to clone the repo.
+On your computer terminal, cd into the directory you want to clone the repo to.
 ```
 cd "directory" note: directory here, should be the name of your chosen directory
 ```
-now, Enter this,
+now, enter this,
 ```
 git clone "paste the url you copied here"
 ```
 
 # Create a Branch
-To work on a new feature or fix a bug , it's important that you create a new branch. this keeps your changes seperate from the master branch for easy management of multiple pull requests for each completed task. 
+To work on a new feature or fix a bug, it's important that you create a new branch. this keeps your changes seperate from the master branch for easy management of multiple pull requests for each completed task. 
 Enter this
 ```
 git checkout master
@@ -32,7 +32,7 @@ git branch "your-branch-name"
 git checkout "your-branch-name"
 ```
 
-Now you can go ahead and effect the desired changes.
+Now you can go ahead and affect the desired changes.
 
 ## Submitting your changes (a Pull Request)
 on your terminal, Enter this to check the modified files