Update main README.md (#1866)

README.md

@@ -210,7 +210,7 @@ For your design of interest, for instance from [programming_examples](../program
     > Note that the host code target has a `.exe` file extension even on Linux. Although unusual, this is an easy way for us to distinguish whether we want to compile device code or host code.
 
 
-1. Run (program arguments are just an example for add_one design)
+1. Run (program arguments are just an example for vector_scalar_add design)
     ```bash
     make run
     ```