_underscore found left of block titles

Hello everybody,

I seem to have underscore left of some of the block titles on home page. see example screenshot image i uploaded to get a visual of what i'm talking about.

Boonex emailed me with the following answer:

You need to create the absent keys in Settings -> Language Settings"

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praveenkv1988 was nice enough to reply back to my request for help with the following:

Goto admin panel -> advanced setting -> Language files and create new keys.

questions:

what' is a "absent keys"????????????

what do i enter when i get to the screen "Create new keys"?????

I have NO idea what to put in the fields to fix the problems.

i couldn't find any documentation in the trac/documentation section to figure out what those fields do or even figure out what an absent keys are???

has any one come across this problem and how or what can i do to fix this problem.