TEXTDOMAINA = All letters should be replaced with capital letters. textdomains = All letters should be replaced with small letters. textdomainc = First letter should be replaced with Capital letter.
Match the category name with the addon category name in 162 number line in plugin template. Change the title of a category name that shows in the module list 164 number line in plugin template.
Add the element class name in module template in 20 number line.