Correct autopopulate command add-home-links syntax

[rlskoeser]

When I tried to run the command as written I got an error; this syntax worked

[codecov[bot]]

Codecov Report

Merging #389 (110981f) into master (b0a6acb) will decrease coverage by 0.10%. The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #389      +/-   ##
==========================================
- Coverage   98.26%   98.16%   -0.11%     
==========================================
  Files          89       89              
  Lines        2945     2945              
==========================================
- Hits         2894     2891       -3     
- Misses         51       54       +3     

Impacted Files	Coverage Δ
wagtailmenus/utils/tests/test_misc.py	97.32% <0.00%> (-2.68%)	:arrow_down:

---

Continue to review full report at Codecov.

Legend - Click here to learn more Δ = absolute <relative> (impact), ø = not affected, ? = missing data Powered by Codecov. Last update b0a6acb...110981f. Read the comment docs.

[MrCordeiro]

Thanks for your help, @rlskoeser ! We closed this with #393 , so I'm closing this PR.