Update first_steps.md (#540)

Added verbiage for clarification
2021-11-19 06:53:08 -08:00 · 2021-11-19 06:53:08 -08:00 · e1ffa29db5
parent 2f575f283b
commit e1ffa29db5
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--- a/docs/first_steps.md
+++ b/docs/first_steps.md
@ -20,6 +20,9 @@
    You will need to configure your router to disable channels 12-14 or disable Auto scan mode so it will connect.
        
    Save, unmount and follow the next step.
+    
+    !!! warning
+        `pikvm.txt` will be removed once its been used. You will need to recreate it again if you did not provide the correct info

 **Power up the device.**