Update docs.md
Update docs.md

fixed two small typos
miljan-aleksic/grav-learn,miljan-aleksic/grav-learn,Quy/grav-learn,getgrav/grav-learn,miljan-aleksic/grav-learn,getgrav/grav-learn,getgrav/grav-learn,Quy/grav-learn,miljan-aleksic/grav-learn,getgrav/grav-learn,Quy/grav-learn,Quy/grav-learn