Minor doc fixes

[zhassan-aws]

• Each commit message has a non-empty body, explaining why the change was made.
• Methods or procedures I have added are documented, following the guidelines provided in CODING_STANDARD.md.
• The feature or user visible behaviour I have added or modified has been documented in the User Guide in doc/cprover-manual/
• Regression or unit tests are included, or existing tests cover the modified code (in this case I have detailed which ones those are in the commit message).
• My commit message includes data points confirming performance improvements (if claimed).
• My PR is restricted to a single feature or bugfix.
• White-space or formatting changes outside the feature-related changed lines are in commits of their own.

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (793801c) 78.52% compared to head (c110dec) 78.52%.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #7677   +/-   ##
========================================
  Coverage    78.52%   78.52%           
========================================
  Files         1674     1674           
  Lines       191971   191971           
========================================
  Hits        150738   150738           
  Misses       41233    41233           

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