Summary: Correct README.md

Description:  Use GhostWriter to correct README.md,  Now it displays properly.

README.md

@@ -263,11 +263,12 @@ Install the necessary software tools:
     sudo apt-get install gcc-arm-none-eabi gdb-arm-none-eabi libstdc++-arm-none-eabi-newlib libnewlib-arm-none-eabi
     
 Note: The Pi-Star image contains an executable for stm32flash. The next five steps can be skipped!
-#    cd ~
+
-#    git clone https://git.code.sf.net/p/stm32flash/code stm32flash
+    cd ~
-#    cd stm32flash
+    git clone https://git.code.sf.net/p/stm32flash/code stm32flash
-#    make
+    cd stm32flash
-#    sudo make install
+    make
+    sudo make install
 
 Download the firmware sources: