Fixed README formatting & outdated information (#1123)

ReadMe.md

@@ -16,7 +16,7 @@ Flipper Zero's firmware consists of two components:
 - Core2 firmware set - proprietary components by ST: FUS + radio stack. FUS is flashed at factory and you should never update it.
 - Core1 Firmware - HAL + OS + Drivers + Applications.
 
-All 3 of them must be flashed in order described.
+They both must be flashed in order described.
 
 ## With STLink
 

RoadMap.md

@@ -35,7 +35,6 @@ Main goal for 1.0.0 is to provide first stable version for both Users and Develo
 
 ## What we're planning to implement in 1.0.0
 
-- Updating firmware from SD (work in progress, almost done)
 - Loading applications from SD (tested as PoC, work scheduled for Q2)
 - More protocols (gathering feedback)
 - User documentation (work in progress)

firmware/ReadMe.md

@@ -10,10 +10,9 @@ What does it do?
 
 # Targets
 
-| Name      | Firmware      | Reset                   | DFU                     |
-|           | Address       | Combo                   | Combo                   |
----------------------------------------------------------------------------------
-| f7        | 0x08000000    | L+Back, release both    | L+Back, release Back    |
+| Name      | Firmware Address  | Reset Combo           | DFU Combo             |
+|-----------|-------------------|-----------------------|-----------------------|
+| f7        | 0x08000000        | L+Back, release both  | L+Back, release Back  |
 
 Also there is a "hardware" ST bootloader combo available even on a bricked or empty device: L+Ok+Back, release Back, Left.
 Target independent code and headers in `target/include` folders. More details in `documentation/KeyCombo.md`
@@ -35,6 +34,10 @@ Target independent code and headers in `target/include` folders. More details in
 - `TARGET` - string - target to build. Default is `f7`.
 - `RAM_EXEC` - 0/1 - whether to build full firmware or RAM-based stage for firmware update. 0 is default, builds firmware.
 
+# Building self-update package
+
+`make DEBUG=0 COMPACT=1 updater_package`
+
 # Flashing 
 
 Using SWD (STLink):