diff --git a/ports/ARM7-AT91SAM7X/sam7x_serial.c b/ports/ARM7-AT91SAM7X/sam7x_serial.c
index 632270375..236109e2f 100644
--- a/ports/ARM7-AT91SAM7X/sam7x_serial.c
+++ b/ports/ARM7-AT91SAM7X/sam7x_serial.c
@@ -18,7 +18,7 @@
 */
 
 /**
- * @file ports/ARM7-AT91SAM7X/sam7x_serial.h
+ * @file ports/ARM7-AT91SAM7X/sam7x_serial.c
  * @brief AT91SAM7X Serial driver macros and structures.
  * @addtogroup AT91SAM7X_SERIAL
  * @{
diff --git a/readme.txt b/readme.txt
index 9304e2c5b..78db255e1 100644
--- a/readme.txt
+++ b/readme.txt
@@ -161,6 +161,8 @@ Win32-MinGW            - ChibiOS/RT simulator and demo into a WIN32 process,
   (backported in stable branch).
 - FIX: Fixed wrong assertions in chThdWait() and chHeapFree() (backported in
   stable branch).
+- FIX: Fixed @file tag in sam7x_serial.c (bug 2788573) (backported in stable
+  branch).
 - FIX: Fixed a small problem in the chcore.c template file.
 - NEW: Mailboxes (asynchronous messages) subsystem and test cases added.
 - NEW: Most APIs with a timeout specification now accept the constant