note that K means 1024 bytes in memory.x

Author: japaric

cortex-m-rt/src/lib.rs

@@ -89,6 +89,7 @@
 //! ``` text
 //! MEMORY
 //! {
+//!   /* NOTE K = KiBi = 1024 bytes */
 //!   FLASH : ORIGIN = 0x08000000, LENGTH = 128K
 //!   RAM : ORIGIN = 0x20000000, LENGTH = 8K
 //! }