Can't understand this topic tried with both video as well as with hint

Tell us what’s happening:

Your code so far

// Variable declarations
var studlyCapVar;
var prperCamelCase;
var titleCaseOver;

// Variable assignments
studlyCapVar = 10;
properCamelCase = "A String";
titleCaseOver = 9000;

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Challenge: Understanding Case Sensitivity in Variables

Link to the challenge:

Hi @akki2883, what’s exactly you are struggling with?
If we narrow the problem maybe the help could be more effective.

I think you understand it, you just have a typo… you are missing a letter