diff --git a/include/mbedtls/error.h b/include/mbedtls/error.h
index c9a825035..6c69a9b4a 100644
--- a/include/mbedtls/error.h
+++ b/include/mbedtls/error.h
@@ -80,7 +80,7 @@
  * CHACHA20  3                  0x0051-0x0055
  * POLY1305  3                  0x0057-0x005B
  * CHACHAPOLY 2 0x0054-0x0056
- * PLATFORM  1  0x0080-0x0080
+ * PLATFORM  1  0x0070-0x0070
  *
  * High-level module nr (3 bits - 0x0...-0x7...)
  * Name      ID  Nr of Errors
diff --git a/include/mbedtls/platform.h b/include/mbedtls/platform.h
index e30edc2e0..5cd143ce5 100644
--- a/include/mbedtls/platform.h
+++ b/include/mbedtls/platform.h
@@ -43,7 +43,7 @@
 #include "platform_time.h"
 #endif
 
-#define MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED       -0x0070 /**< Hardware failed platform operation. */
+#define MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED       -0x0070 /**< Hardware accelerator failed */
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/library/error.c b/library/error.c
index 0a1c79462..12902e305 100644
--- a/library/error.c
+++ b/library/error.c
@@ -827,7 +827,7 @@ void mbedtls_strerror( int ret, char *buf, size_t buflen )
 
 #if defined(MBEDTLS_PLATFORM_C)
     if( use_ret == -(MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED) )
-        mbedtls_snprintf( buf, buflen, "PLATFORM - Hardware failed platform operation" );
+        mbedtls_snprintf( buf, buflen, "PLATFORM - Hardware accelerator failed" );
 #endif /* MBEDTLS_PLATFORM_C */
 
 #if defined(MBEDTLS_POLY1305_C)