Follow the below steps. I tried its helped me.

Checkout to your branch

Syntax: git branch yourDevelopmentBranch
Example: git checkout master

Pull Source Repo branch for getting the latest code

Syntax: git pull https://github.com/tastejs/awesome-app-ideas master
Example: git pull https://github.com/ORIGINAL_OWNER/ORIGINAL_REPO.git BRANCH_NAME

Follow the below steps. I tried them and it helped me.

Checkout to your branch

Syntax: git branch yourDevelopmentBranch
Example: git checkout master

Pull source repository branch for getting the latest code

Syntax: git pull https://github.com/tastejs/awesome-app-ideas master
Example: git pull https://github.com/ORIGINAL_OWNER/ORIGINAL_REPO.git BRANCH_NAME