fix: Add space in level 39 hint

[faucomte97]

This change is 

[SKairinos]

Reviewed 1 of 1 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @faucomte97)

[codecov]

Codecov Report

Merging #1500 (37b72f0) into master (c0a33b7) will increase coverage by 0.06%.
Report is 4 commits behind head on master.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1500      +/-   ##
==========================================
+ Coverage   91.80%   91.87%   +0.06%     
==========================================
  Files         106      107       +1     
  Lines        5603     5636      +33     
==========================================
+ Hits         5144     5178      +34     
+ Misses        459      458       -1     

Files	Coverage Δ
game/__init__.py	100.00% <100.00%> (ø)
game/end_to_end_tests/test_play_through.py	100.00% <100.00%> (ø)
game/messages.py	99.38% <100.00%> (ø)
...ame/migrations/0083_add_cows_to_existing_levels.py	100.00% <100.00%> (ø)
game/views/level_solutions.py	100.00% <ø> (ø)

... and 1 file with indirect coverage changes