Close #793 PR: fix small typo in the 'Configuring colors' section of mdl-sass.md.
Close #793 PR: fix small typo in the 'Configuring colors' section of mdl-sass.md.

bvahdat/web-starter-kit,Koodinviilaus/YleFiilis,jeffposnick/web-starter-kit,lucheuer/dallaspiano,shakyShane/web-starter-kit,nikomondo/cathyprestservices,JonasAymoz/jonasaymoz.github.io,mdouglasbrett/web-starter-kit,nexgencodecamp/learn-to-code-app,codeinthewoods/now-playing-yle,petermodest/transparency,DawoonC/web-starter-kit,eduramirezh/embl-assignment,nikomondo/cathyprestservices,mloayzagahona/web-starter-kit,nikomondo/cathyprestservices,google/web-starter-kit,gthomas/stopkillingus,mloayzagahona/web-starter-kit,sounakpal/globalIds,nikomondo/cathyprestservices,shakyShane/web-starter-kit,zdrawku/dance-events,codeinthewoods/now-playing-yle,aoimedia/web-starter-kit,lianliu/Portfolio,petarmihaylov/UFEWDN-P4-Website-Optimization,lucheuer/dallaspiano,zdrawku/dance-events,gthomas/stopkillingus,antoniowimmer/aw,lianliu/Portfolio,jeffposnick/web-starter-kit,rlugojr/web-starter-kit,petarmihaylov/UFEWDN-P4-Website-Optimization,mdouglasbrett/web-starter-kit,sounakpal/globalIds,rlugojr/web-starter-kit,antoniowimmer/aw,lucheuer/dallaspiano,bvahdat/web-starter-kit,Koodinviilaus/YleFiilis,eduramirezh/embl-assignment,aoimedia/web-starter-kit,google/web-starter-kit,nexgencodecamp/learn-to-code-app,petermodest/transparency,JonasAymoz/jonasaymoz.github.io,genarocolusso/zikazero,genarocolusso/zikazero