Update README.md

Author: openastrotech

README.md

@@ -1,7 +1,7 @@
 # The OpenAstroTracker:
 ![ ](https://i.imgur.com/qGr2bFf.jpg)
 
-A 3D printed, cheap Tracker for DSLR astrophotography.
+A cheap 3D printed tracking, GoTo and autoguiding mount for DSLR astrophotography.
 
 Head over to [r/OpenAstroTech](https://www.reddit.com/r/OpenAstroTech/) for questions and stuff.