Record everything during the inspection for the first few. Then you can replay the whole thing and know you missed nothing that was spoken. Sometimes the client will bring up a subject they want addressed in the report that you may forget about if it's not really a defect, but the fact that you included a recommendation the client wanted gives you points for thoroughness.
I usually just take digital photo's of anything of concern as I walk through, recording comments that photo's will not describe.
Then I type the report from memory. After that, I go through the pictures adding them to the report where needed and using others as reminders of things I may have missed on my first typing.
Third I go through the recording.
This method ensures you don't forget anything and allows the inspection to flow smoothly as clients will lose interest if it dosen't, and, if they don't pay attention you will have alot of questions about the report after the inspection. Meaning , long hours on the phone describing what could have taken minutes at the inspection.