diff --git a/bootloader.c b/bootloader.c
index e7abd32..d4cfe32 100644
--- a/bootloader.c
+++ b/bootloader.c
@@ -72,8 +72,8 @@ void main(void)
 	/* the application starts with the vector table
 	 * the first entry in the vector table is the initial stack pointer (SP) address
 	 * the stack will be placed in RAM
-	 * on STM32F1xx SRAM begins at 0x2000 0000, and on STM32F103x8 there is 20KB of RAM (0x5000).
-	 * since the stack grown "downwards" it should start at the end of the RAM: 0x2000 5000
+	 * on STM32F1xx SRAM begins at 0x2000 0000, and on STM32F103xx there is up to 96 KB of RAM (0x18000).
+	 * since the stack grown "downwards" it should start at the end of the RAM: max 0x2001 8000
 	 * if the SP is not in this range (e.g. flash has been erased) there is no valid application
 	 * the second entry in the vector table is the reset address, corresponding to the application start
 	 */