Fix http request doc type Fixes #1690
Fix http request doc type
Fixes #1690

HiroyasuNishiyama/node-red,node-red/node-red,Kazuki-Nakanishi/node-red,mw75/node-red,HiroyasuNishiyama/node-red,node-red/node-red,Kazuki-Nakanishi/node-red,Kazuki-Nakanishi/node-red,namgk/node-red,btsimonh/node-red,node-red/node-red,mw75/node-red,btsimonh/node-red,HiroyasuNishiyama/node-red,mw75/node-red,btsimonh/node-red,namgk/node-red,Kazuki-Nakanishi/node-red,mw75/node-red