release-notes.md - fix typos

Author: andrum99

firmware/release-notes.md

@@ -7,23 +7,23 @@
        * SUBNET
        * GATEWAY
        * TFTP_IP
-    * If a fatal bootloader occurs then a HDMI diagnostics screen is displayed
-      at VGA/DVI resolution on both monitors for two minutes. This may be
-      disabled by setting DISABLE_HDMI=1 in the EEPROM configuration OR
-      setting display_splash=1 in config.txt.
+    * If a fatal bootloader error occurs then an HDMI diagnostics screen is 
+      displayed at VGA/DVI resolution on both outputs for two minutes. 
+      This may be disabled by setting DISABLE_HDMI=1 in the EEPROM 
+      configuration OR setting display_splash=1 in config.txt.
     * Allow the PXE menu option to match a custom string specified by
       PXE_OPTION43. The default is still "Raspberry Pi Boot"
     * DHCP_OPTION97 - The default GUID has now changed to 
       RPI4+BOARD_ID+ETH_MAC_LSB+SERIAL in order to make it easier to
       automatically identify Raspberry Pi computers. The old behaviour
       is enabled by setting DHCP_OPTION97=0 which simply repeats the serial
       number 4 times.
-    * SELF_UPDATE. If SELF_UPDATE is set to 1 in the EEPROM configration AND
+    * SELF_UPDATE. If SELF_UPDATE is set to 1 in the EEPROM configuration AND
       config.txt contains bootloader_update=1 then the bootloader will looking
       for pieeprom.upd and vl805.bin and apply these firmware files if 
-      they are different to current image before doing a watchdog reset.
+      they are different to the current image, before doing a watchdog reset.
       This should make it easier to update the bootloader for network
-      booted setups because an sd-card is not required for recovery.bin.
+      booted setups because an SD card is not required for recovery.bin.
       As usual, TFTP should only be used on private networks because the
       protocol is not secure against spoofing.