diff --git a/application.ld b/application.ld
index 7098812..221c6fe 100644
--- a/application.ld
+++ b/application.ld
@@ -2,7 +2,7 @@
  * the STM32F401xC has 256 KB of flash starting at 0x0800 0000, and 64 KB of RAM starting at 0x2000 0000
  * the USB DFU bootloader will use the first sector, which is 16 KB large.
  * this is followed by the application.
- * the first 4 bytes of the RAM is reserved for the DFU magic word (DFU! to start DFU bootloader)
+ * the first 4 bytes of the RAM are reserved for the DFU magic word (DFU! to start DFU bootloader)
  */
 
 /* define memory regions. */
@@ -14,5 +14,5 @@ MEMORY
 /* RAM location reserved so application can talk to bootloader and tell to start DFU */
 PROVIDE(__dfu_magic = ORIGIN(ram) - 4);
 
-/* include rest of the definitions for the ARM Cortex-M, including STM32F1 family */
+/* include rest of the definitions for the ARM Cortex-M, including STM32F4 family */
 INCLUDE cortex-m-generic.ld
diff --git a/bootloader.ld b/bootloader.ld
index dd92811..385e94c 100644
--- a/bootloader.ld
+++ b/bootloader.ld
@@ -2,7 +2,7 @@
  * the STM32F401xC has 256 KB of flash starting at 0x0800 0000, and 64 KB of RAM starting at 0x2000 0000
  * the USB DFU bootloader will use the first sector, which is 16 KB large.
  * this is followed by the application.
- * the first 4 bytes of the RAM is reserved for the DFU magic word (DFU! to start DFU bootloader)
+ * the first 4 bytes of the RAM are reserved for the DFU magic word (DFU! to start DFU bootloader)
  */
 
 /* define memory regions. */
@@ -16,5 +16,5 @@ PROVIDE(__application_beginning = ORIGIN(rom) + LENGTH(rom));
 /* RAM location reserved so application can talk to bootloader and tell to start DFU */
 PROVIDE(__dfu_magic = ORIGIN(ram) - 4);
 
-/* include rest of the definitions for the ARM Cortex-M, including STM32F1 family */
+/* include rest of the definitions for the ARM Cortex-M, including STM32F4 family */
 INCLUDE cortex-m-generic.ld