You can edit the project via the web interface after logging in to the Gerrit account as shown in the following steps.

Step 1 − Go to Gerrit dashboard by clicking this link. You will get the following screenshot.

Step 2 − Next click the mediawiki/extensions/examples link specified under Project column.

Step 3 − Click the General link in the toolbar as shown in the following screenshot.

Step 4 − When you open the General link, it will show a screenshot as the following.

Step 5 − Click the Create Change button and it will open a popup window with some details as shown in the following screenshot.

Step 6 − Enter the information and click the Create button.

After creating the change, it will display the information as shown in the following screenshot.

Step 7 − Click Edit and then click Add. Now select the file you want to edit. Here we have selected the file Example/i18n/en.json.

When you open the file, it will show the json data as specified in the following screenshot.

Step 8 − Click Save and then click the Close button.

Step 9 − Finally click the Publish button to publish the edited file

Step 10 − You can change commit message by clicking the Commit Message link as shown in the following screenshot.

Step 11 − Press e on the keyboard and add some extra information, if you wish to Click Save and then click the Close button.