Update section on interpolation (and update link to relevant issue)
Update section on interpolation (and update link to relevant issue)

chosenken/docs,du2016/prometheus-docs,evanphx/docs,vic3lord/docs,ddfreyne/prometheus-docs,chosenken/docs,pdbogen/docs,tcolgate/docs,prometheus/docs,vic3lord/docs,chosenken/docs,chosenken/docs,prometheus/docs,ddfreyne/prometheus-docs,Cepave/openfalcon.io,evanphx/docs,prometheus/docs,Cepave/openfalcon.io,tcolgate/docs,tcolgate/docs,pdbogen/docs,pdbogen/docs,evanphx/docs,open-falcon/open-falcon.github.io,open-falcon/open-falcon.github.io,du2016/prometheus-docs,du2016/prometheus-docs,ddfreyne/prometheus-docs,Cepave/openfalcon.io,vic3lord/docs,ddfreyne/prometheus-docs,open-falcon/open-falcon.github.io