diff --git a/docs/Board - Naze32.md b/docs/Board - Naze32.md
index 0f4f220742..1d1619b76f 100644
--- a/docs/Board - Naze32.md	
+++ b/docs/Board - Naze32.md	
@@ -6,10 +6,13 @@ if found please report via the github issue tracker.
 
 # Serial Ports
 
-| Value | Identifier   | Board Markings | Notes                                    |
-| ----- | ------------ | -------------- | -----------------------------------------|
-| 1     | USART1       | RX/TX / TELEM  | Also connected to USB port via CP2102 IC |
-| 2     | USART2       | RC3/4          |                                          |
-| 3     | SoftSerial 1 | RC5/6          |                                          |
-| 4     | SoftSerial 2 | RC7/8          |                                          |
+| Value | Identifier   | RX        | TX                 | Notes                                                                                       |
+| ----- | ------------ | --------- | ------------------ | ------------------------------------------------------------------------------------------- |
+| 1     | USART1       | RX  / PA9 | TX  / PA10 / TELEM | TELEM output is always inverted (for FrSky). Internally connected to USB port via CP2102 IC |
+| 2     | USART2       | RC3 / PA2 | RC4 / PA3          |                                                                                             |
+| 3     | SoftSerial 1 | RC5 / PA6 | RC6 / PA7          |                                                                                             |
+| 4     | SoftSerial 2 | RC7 / PB0 | RC8 / PB1          |                                                                                             |
+
+* You cannot use USART1/TX/TX/TELEM pins at the same time. 
+* You may encounter flashing problems if you have something connected to the RX/TX pins.  Try disconnecting RX/TX.