Tooltip for "participation" tab contains the . at the end, but there's no dot for all other tabs:
I suggest to remove it here as well. Adding the dot to the all other instead I can't consider as an alternative option just because it will only burden the data on the screen.
Not writing a dot at the end of a sentence is grammatically incorrect, BUT in a real word, when we are just chatting with each other, we usually do not write a dot at the end of the last sentence. As I understand that SO is not a place for official conversations, so it's better for me not to write a dot at the end of the last sentences
