Corrected link in Install.MD

[JPBergsma]

I noticed this link to the Configuration ssection did not work, so I have tried to correct it.

[codecov]

Codecov Report

Merging #1124 (fcc2ef7) into master (e774f26) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1124   +/-   ##
=======================================
  Coverage   92.33%   92.33%           
=======================================
  Files          68       68           
  Lines        3849     3849           
=======================================
  Hits         3554     3554           
  Misses        295      295           

Flag	Coverage Δ
project	92.33% <ø> (ø)
validator	92.33% <ø> (ø)

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[CasperWA]

Cheers @JPBergsma !