Fix a few typos for SPDs with fixed Det.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 99.58%. Comparing base (bd0264f) to head (0735743).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #723 +/- ## ======================================= Coverage 99.58% 99.58% ======================================= Files 114 114 Lines 11230 11230 ======================================= Hits 11183 11183 Misses 47 47 ```

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