Two minor example fixes

[andreasnoack]

As mentioned in #1125 (comment) and #1130 (comment)

[codecov-io]

Codecov Report

Merging #1131 into master will decrease coverage by 0.07%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1131      +/-   ##
==========================================
- Coverage   86.63%   86.56%   -0.08%     
==========================================
  Files          32       32              
  Lines        3959     3959              
==========================================
- Hits         3430     3427       -3     
- Misses        529      532       +3

Impacted Files	Coverage Δ
src/scale.jl	89.28% <0%> (-1.34%)	⬇️

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[bjarthur]

thanks!