If you have a question or if you think you made a mistake, rephrase your question and provide much more detail to increase the chances of getting some help.
For reference, here are questions from same OP on this topic in the last day or so.
- https://www.mathworks.com/matlabcentral/answers/589594-is-there-a-mistake-on-the-help-document
- https://www.mathworks.com/matlabcentral/answers/589708-is-this-a-serious-mistake-on-function-imufilter-on-matlab2020a
- https://www.mathworks.com/matlabcentral/answers/589954-is-there-a-mistake-on-the-on-the-function-of-imufilter-helpdocument
- https://www.mathworks.com/matlabcentral/answers/589270-is-there-a-mistake-on-the-navigation-toolbox
