I made a mistake .. I am still learning about steemit and hopeful in future i can not do such type of mistake .. you all also careful and take its seriously

hi every one on steemit .. this past week i made a mistake which letto decrease in my reputation level and i am upset about this decrease ..

But the Question is that why this happen ??
and
What is the Mistake which i made ??

First of all my reputation is going to ( 49 ) which is gain after very long time

then one day i made a mistake and post an post which is ( copy & past ) post and i received a downvotes from @steemcleaners

then one day later i received this message

because i use irrelevant tags so .

then my reputation level become to ( 33 ) level and there is 16 Level decrease in my reputation level ..

so i suggest all of you that dont so mistake such like that

thanks
@jahangirbalti