fix spelling correction when suggesting gui installation

[orena1]

No description provided.

[mrariden]

@orena1 Can you pull in the latest changes from main? This branch is using a bad testing file which incorrectly shows failing tests. The test should pass when you pull.

[orena1]

Pulled latest

[codecov]

Codecov Report

Merging #752 (211a0f9) into main (be14e5f) will decrease coverage by 0.04%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main     #752      +/-   ##
==========================================
- Coverage   63.26%   63.23%   -0.04%     
==========================================
  Files          14       14              
  Lines        2962     2962              
==========================================
- Hits         1874     1873       -1     
- Misses       1088     1089       +1     

Files Changed	Coverage Δ
cellpose/__main__.py	64.47% <0.00%> (ø)

... and 1 file with indirect coverage changes

[mrariden]

@carsen-stringer ready for merge