To edit organization data,  go through the following steps:  

Step 1:  In the main menu, on the left side, click Settings.  

Step 2 : Choose the General option.

Step 3 : Click on the edit option, located on the right hand side of the "Organization Data" text.

Step 4: Change the name of the organization and/or upload an image.

Step 5: Click on the save option. 

Example of how to edit organization data: