Question from a Semi-Pro

I am good enough @ Linux to be able to help out with Linux issues at my employer's IT department. However, I see I have some issues that separate me from real pros over there: usually it is just a single letter - or some tiny dot somewhere - that I usually omit, or forget to type.

I simply just don't recall the syntax as good as they, and need to look into man pages more often to get it right.

Is there a method how to better memorize, or is it just a matter of continuous practice?

I love Linux, but sometimes wish it were more systematic.