Update 02-quickstart.mdx (#274)

Author: evanorti

sdk/next/tutorials/example/02-quickstart.mdx

@@ -13,7 +13,7 @@ Before continuing, make sure you have completed the [Prerequisites](/sdk/next/tu
 
 ## Install the binary
 
-Run the following to compile the `exampled` binary and place it on your `$PATH`:
+Run the following to compile the `exampled` binary and place it on your `$PATH`.
 
 ```bash
 make install