Several small readability corrections
Several small readability corrections

Corrected a misspelling, and made some minor grammatical and editorial changes to sentence length and order, to try and improve readability and understanding.
getgrav/grav-learn,Quy/grav-learn,Quy/grav-learn,miljan-aleksic/grav-learn,zikkuratvk/grav-learn,miljan-aleksic/grav-learn,Quy/grav-learn,zikkuratvk/grav-learn,miljan-aleksic/grav-learn,miljan-aleksic/grav-learn,zikkuratvk/grav-learn,getgrav/grav-learn,getgrav/grav-learn,Quy/grav-learn,getgrav/grav-learn