Fix recursive filter docs

Codecov Report

Merging #681 into master will not change coverage by %. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #681   +/-   ##
=======================================
  Coverage   86.34%   86.34%           
=======================================
  Files         186      186           
  Lines       13584    13584           
=======================================
  Hits        11729    11729           
  Misses       1855     1855           

Impacted Files	Coverage Δ
arkindex/documents/api/elements.py	98.49% <ø> (ø)

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added 3 commits

• 6c1bcbe7...e5ad1afd - 2 commits from branch master
• f8ae5310 - Fix recursive filter docs

Compare with previous version

merged

mentioned in commit bdb7f317

mentioned in issue #192 (closed)