Checkout to the master branch and run "git merge master" code example

Example 1: git merge branch to master

$ git checkout master
Switched to branch 'master'
$ git merge iss53
Merge made by the 'recursive' strategy.
index.html |    1 +
1 file changed, 1 insertion(+)

Example 2: merge master into local branch

git checkout feature1
git merge master