diff --git a/include/mbedtls/error.h b/include/mbedtls/error.h
index ef22bc6..35f4531 100644
--- a/include/mbedtls/error.h
+++ b/include/mbedtls/error.h
@@ -94,6 +94,7 @@
  * RSA       4   11
  * ECP       4   9 (Started from top)
  * MD        5   5
+ * SSL       5   1 (Started from 0x5E80)
  * CIPHER    6   8
  * SSL       6   17 (Started from top)
  * SSL       7   31