diff --git a/include/mbedtls/asn1.h b/include/mbedtls/asn1.h
index f71a060..be2cae7 100644
--- a/include/mbedtls/asn1.h
+++ b/include/mbedtls/asn1.h
@@ -228,7 +228,7 @@
  * \return      0 if successful.
  * \return      #MBEDTLS_ERR_ASN1_OUT_OF_DATA if the ASN.1 element
  *              would end beyond \p end.
- * \return      #MBEDTLS_ERR_ASN1_INVALID_LENGTH if the length is unparseable.
+ * \return      #MBEDTLS_ERR_ASN1_INVALID_LENGTH if the length is unparsable.
  */
 int mbedtls_asn1_get_len( unsigned char **p,
                           const unsigned char *end,