[User Guide] Fix displaced note

[imnasnainaec]

The note text wasn't indented, resulting in an empty note followed by a paragraph with the intended note content.

Before:

After:

---

This change is 

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.82%. Comparing base (46b4c7f) to head (839bb44).
Report is 15 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3325      +/-   ##
==========================================
+ Coverage   74.77%   74.82%   +0.04%     
==========================================
  Files         278      278              
  Lines       10708    10708              
  Branches     1291     1291              
==========================================
+ Hits         8007     8012       +5     
+ Misses       2337     2333       -4     
+ Partials      364      363       -1     

Flag	Coverage Δ
backend	83.99% <ø> (+0.10%)	⬆️
frontend	66.79% <ø> (ø)

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[jasonleenaylor]

Reviewed 4 of 4 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @imnasnainaec)