diff --git a/configs/flipnclick-pic32mz/README.txt b/configs/flipnclick-pic32mz/README.txt
index 2a833c319a4..79e86c00d36 100644
--- a/configs/flipnclick-pic32mz/README.txt
+++ b/configs/flipnclick-pic32mz/README.txt
@@ -72,6 +72,9 @@ On Board Debug Support
 Using the mikroProg
 ===================
 
+   WARNING: This will most certainly overwrite the bootloader that was factory
+   installed in FLASH!
+
    Hardware setup
    --------------
    You will need to add a five pin header to the mikroProg connector between
@@ -194,6 +197,14 @@ Serial Console
   transceiver to get the signals to RS232 levels (or connect to the
   USB virtual COM port in the case of UART0).
 
+  STATUS: I have been unable to get the RS-232 Click to work in the mikroBUS
+  A slot.  The PIC32MZ does not receive serial input.  It appears that there
+  is an error in the some documentation:  Either RG9 is not connect to
+  UART4_RX or the PPS bit definitions are documented incorrectly for UART4.
+
+  Switching to UART3 eliminates the problem and the serial console is fully
+  functional.
+
 SPI
 ===
 
@@ -339,9 +350,9 @@ Where <subdir> is one of the following:
 
     NOTES:
 
-    1. Serial Console.  UART 4 is configured as the Serial Console.  This
+    1. Serial Console.  UART3 is configured as the Serial Console.  This
        assumes that you will be using a Mikroe RS-232 Click card in the
-       mikroBUS A slot.  Other serial consoles may be selected by re-
+       mikroBUS B slot.  Other serial consoles may be selected by re-
        configuring (see the section "Serial Consoles" above).
 
     2. Toolchain