diff --git a/scripts/README.md b/scripts/README.md
index 10e7eeb..a1dbcb4 100644
--- a/scripts/README.md
+++ b/scripts/README.md
@@ -51,7 +51,8 @@ You might have to log out and back in before the TDP Manager appears in your app
 Lets you easily set the TDP via the `intel_rapl` driver.  
 Also has a basic GUI available.
 
-By default, PL2 (short-term peak) will be 2W higher than PL1.
+TDP is the number of watts the Intel chip is allowed to use.  
+You would typically want to change this to fit your desired balance of performance and battery life. Or to use different amounts of power when docked or handheld.
 
 For details on how to use, run `tdp help`.