fixed two small errors

[0xflotus]

No description provided.

[codecov-io]

Codecov Report

Merging #17 into master will decrease coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master      #17      +/-   ##
==========================================
- Coverage   78.77%   78.73%   -0.04%     
==========================================
  Files          52       52              
  Lines        7839     7816      -23     
==========================================
- Hits         6175     6154      -21     
+ Misses       1664     1662       -2

Impacted Files	Coverage Δ
R/print.R	80% <0%> (-1.82%)	⬇️
R/match.R	94.73% <0%> (-0.51%)	⬇️
R/attr.R	100% <0%> (ø)	⬆️
R/count.R	100% <0%> (ø)	⬆️
R/subset.R	100% <0%> (ø)	⬆️
R/extract.R	100% <0%> (ø)	⬆️
R/detect.R	100% <0%> (ø)	⬆️
R/substring.R	100% <0%> (ø)	⬆️
R/widget.R	100% <0%> (ø)	⬆️
R/split.R	100% <0%> (ø)	⬆️
... and 3 more

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