While there are many excellent style guides out there, I personally went with the IBM Style Guide: Conventions for Writers and Editors [0] when I started writing technical manuals and documentation.
It is so comprehensive that the book ends up describing itself exactly, as if it were some kind of meta manual.
It is so comprehensive that the book ends up describing itself exactly, as if it were some kind of meta manual.
[0]: https://www.amazon.com/IBM-Style-Guide-Conventions-Writers/d...