Tutorial: Fix-up typos and inconsistencies (!8779) · Merge requests · CMake / CMake · GitLab

System updates will be applied on April 9th between 0900 AM and 1200 PM, EDT (UTC-0400). This site will have intermittent downtime during that time.

Fix typo in Step 2
Fix incorrect code referenced in Step 3, TODO 7. Update comments in MathFunctions/CMakeLists.txt to unique strings.
Resolve inconsistencies between steps in MathFunctions/CMakeLists.txt