Fix 'enable' tag attribute

[jakub-bacic]

Fixes #52

[codecov]

Codecov Report

Merging #53 (3dc3f54) into master (4545671) will decrease coverage by 0.14%.
The diff coverage is 50.00%.

@@            Coverage Diff             @@
##           master      #53      +/-   ##
==========================================
- Coverage   74.04%   73.90%   -0.15%     
==========================================
  Files           5        5              
  Lines         339      341       +2     
  Branches       98       99       +1     
==========================================
+ Hits          251      252       +1     
  Misses          5        5              
- Partials       83       84       +1     

Impacted Files	Coverage Δ
src/meta.ts	74.11% <50.00%> (-0.25%)	⬇️

---

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 7265417...3dc3f54. Read the comment docs.

[crazy-max]

LGTM thanks!