Developing map of Delhi Red Fort using Leaflet

installed.packages("leaflet")
##      Package LibPath Version Priority Depends Imports LinkingTo Suggests
##      Enhances License License_is_FOSS License_restricts_use OS_type Archs
##      MD5sum NeedsCompilation Built
library("leaflet")
my_map <- leaflet() %>%
addTiles()
RedFort <- c("<a href= 'https://en.wikipedia.org/wiki/Red_Fort' >Red Fort</a>")
leaflet() %>%
addTiles() %>%
addMarkers(lat=28.656473, lng=77.242943, popup = RedFort)