Update README.md

README.md

@@ -16,7 +16,7 @@ The radars used during the SRTM mission were actually developed and flown on two
 Endeavour orbited Earth 16 times each day during the 11-day mission, completing 176 orbits. SRTM successfully collected radar data over 80% of the Earth's land surface between 60° north and 56° south latitude with data points posted every 1 arc-second (approximately 30 meters).
 
 ## Original Dataset
-The original dataset, in addition to the [SRTM Non-Void Filled](https://doi.org/10.5066/F7K072R7) and [SRTM Void Filled](https://doi.org/10.5066/F7F76B1X) variants can be accessed on [EarthExplorer](https://earthexplorer.usgs.gov/). 
+The original dataset as well as the [SRTM Non-Void Filled](https://doi.org/10.5066/F7K072R7) and [SRTM Void Filled](https://doi.org/10.5066/F7F76B1X) variants can be accessed on [EarthExplorer](https://earthexplorer.usgs.gov/). 
 
 ## Digital Object Identifier (DOI)
 [Shuttle Radar Topography Mission 1 Arc-Second Global (Digital Object Identifier (DOI) number: /10.5066/F7PR7TFT](https://doi.org/10.5066/F7PR7TFT)