Update tasks.rst

[ghost]

Fixed a typo

[codecov-io]

Codecov Report

Merging #222 into master will decrease coverage by -5.54%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #222      +/-   ##
==========================================
- Coverage   96.65%   91.12%   -5.54%     
==========================================
  Files          40       40              
  Lines        2692     2692              
==========================================
- Hits         2602     2453     -149     
- Misses         90      239     +149

Impacted Files	Coverage Δ
django_q/brokers/aws_sqs.py	0% <0%> (-100%)	❌
django_q/brokers/ironmq.py	0% <0%> (-94.74%)	❌
django_q/tests/test_brokers.py	72.46% <0%> (-27.13%)	❌
django_q/brokers/init.py	94.18% <0%> (-4.66%)	❌

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