Update README

Author: qzed

README.md

@@ -17,11 +17,11 @@ FLAGS:
     -V, --version    Prints version information
 
 SUBCOMMANDS:
-    dgpu           Control or query the dGPU power state on the Surface Book 2
+    dgpu           Control the discrete GPU
+    dtx            Control the latch/dtx-system on the Surface Book 2
     help           Prints this message or the help of the given subcommand(s)
-    latch          Control the latch/dtx-system on the Surface Book 2
     performance    Control or query the current performance-mode
-    status         Query the current system status
+    status         Show an overview of the current system status
 ```
 
 See `surface <subcommand> help` for more details.