Fix typos in ufloat_fromstr doctring examples

[Cs137]

• Closes Typos in ufloat_fromstr doctring examples #285
• Closes Improve ufloat_fromstr documentation and parsing #287
• Executed pre-commit run --all-files with no errors
• The change is fully covered by automated unit tests
• Documented in docs/ as appropriate
• Added an entry to the CHANGES file

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.55%. Comparing base (bcff480) to head (2d64785).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #286   +/-   ##
=======================================
  Coverage   96.55%   96.55%           
=======================================
  Files          17       17           
  Lines        1947     1947           
=======================================
  Hits         1880     1880           
  Misses         67       67           

Flag	Coverage Δ
macos-latest-3.10	95.01% <ø> (ø)
macos-latest-3.11	95.01% <ø> (ø)
macos-latest-3.12	95.01% <ø> (ø)
macos-latest-3.8	95.01% <ø> (ø)
macos-latest-3.9	95.01% <ø> (ø)
no-numpy	75.14% <ø> (ø)
ubuntu-latest-3.10	95.01% <ø> (ø)
ubuntu-latest-3.11	95.01% <ø> (ø)
ubuntu-latest-3.12	95.01% <ø> (ø)
ubuntu-latest-3.8	95.01% <ø> (ø)
ubuntu-latest-3.9	95.01% <ø> (ø)
windows-latest-3.10	95.01% <ø> (ø)
windows-latest-3.11	95.01% <ø> (ø)
windows-latest-3.12	95.01% <ø> (ø)
windows-latest-3.8	95.01% <ø> (ø)
windows-latest-3.9	95.01% <ø> (ø)

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[codspeed-hq]

CodSpeed Performance Report

Merging #286 will not alter performance

_{Comparing Cs137:fix-typos (2d64785) with master (bcff480)}

Summary

✅ 5 untouched benchmarks

[Cs137]

Would someone be so kind to let me know how to initialise a review of my PR?
The linked documentation and in particular this section is not useful at all, since the mentioned icon is not available to me. The sidebar on the right hand side of the conversation tab shows only the following:

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