Overwrite hint

Author: SciLor

content/docs/tools/teddyCloud/flash-ca/cc3200.md

@@ -14,7 +14,7 @@ First of all please boot the [Hackiebox CFW](/docs/custom-firmware/cc3200/hackie
 * Select your `certs/server/ca.der` from teddyCloud
 * Enter `/cert/c2.der` as SD/Flash path
 * Press `Upload` and wait for ok
-* Otherwise try again (you may need to enable overwrite)
+* Otherwise try again (only enable overwrite, if you already flashed the c2.der in the past)
 
 ## Flash c2.der via cc3200tool
 ```