Fixed link to substitution tags
Fixed link to substitution tags

closes #614
GilUpstream/docs,L2G/docs,bogdanboss/docs,ksigler7/docs,hardikjain29/docs,katieporter/docs,Zaftula/docs,bogdanboss/docs,Aonepathan/docs,GilUpstream/docs,ksigler7/docs,L2G/docs,bogdanboss/docs,hardikjain29/docs,GilUpstream/docs,jacobmovingfwd/docs,awwa/docs,L2G/docs,sendgrid/docs,Ranhiru/docs,Aonepathan/docs,L2G/docs,Ranhiru/docs,katieporter/docs,Aonepathan/docs,Whatthefoxsays/docs,Zaftula/docs,sendgrid/docs,Zaftula/docs,ksigler7/docs,sendgrid/docs,taz77/docs,GilUpstream/docs,Zaftula/docs,bogdanboss/docs,Whatthefoxsays/docs,Ranhiru/docs,jacobmovingfwd/docs,hardikjain29/docs,katieporter/docs,Ranhiru/docs,taz77/docs,awwa/docs,taz77/docs,Ranhiru/docs,awwa/docs,bogdanboss/docs,jacobmovingfwd/docs,jacobmovingfwd/docs,awwa/docs,hardikjain29/docs,taz77/docs,Aonepathan/docs,hardikjain29/docs,GilUpstream/docs,awwa/docs,Zaftula/docs,L2G/docs,Aonepathan/docs,katieporter/docs,jacobmovingfwd/docs,taz77/docs,Whatthefoxsays/docs,katieporter/docs