diff --git a/include/mbedtls/x509.h b/include/mbedtls/x509.h
index 08525e2..c177501 100644
--- a/include/mbedtls/x509.h
+++ b/include/mbedtls/x509.h
@@ -56,26 +56,46 @@
  * \name X509 Error codes
  * \{
  */
-#define MBEDTLS_ERR_X509_FEATURE_UNAVAILABLE              -0x2080  /**< Unavailable feature, e.g. RSA hashing/encryption combination. */
-#define MBEDTLS_ERR_X509_UNKNOWN_OID                      -0x2100  /**< Requested OID is unknown. */
-#define MBEDTLS_ERR_X509_INVALID_FORMAT                   -0x2180  /**< The CRT/CRL/CSR format is invalid, e.g. different type expected. */
-#define MBEDTLS_ERR_X509_INVALID_VERSION                  -0x2200  /**< The CRT/CRL/CSR version element is invalid. */
-#define MBEDTLS_ERR_X509_INVALID_SERIAL                   -0x2280  /**< The serial tag or value is invalid. */
-#define MBEDTLS_ERR_X509_INVALID_ALG                      -0x2300  /**< The algorithm tag or value is invalid. */
-#define MBEDTLS_ERR_X509_INVALID_NAME                     -0x2380  /**< The name tag or value is invalid. */
-#define MBEDTLS_ERR_X509_INVALID_DATE                     -0x2400  /**< The date tag or value is invalid. */
-#define MBEDTLS_ERR_X509_INVALID_SIGNATURE                -0x2480  /**< The signature tag or value invalid. */
-#define MBEDTLS_ERR_X509_INVALID_EXTENSIONS               -0x2500  /**< The extension tag or value is invalid. */
-#define MBEDTLS_ERR_X509_UNKNOWN_VERSION                  -0x2580  /**< CRT/CRL/CSR has an unsupported version number. */
-#define MBEDTLS_ERR_X509_UNKNOWN_SIG_ALG                  -0x2600  /**< Signature algorithm (oid) is unsupported. */
-#define MBEDTLS_ERR_X509_SIG_MISMATCH                     -0x2680  /**< Signature algorithms do not match. (see \c ::mbedtls_x509_crt sig_oid) */
-#define MBEDTLS_ERR_X509_CERT_VERIFY_FAILED               -0x2700  /**< Certificate verification failed, e.g. CRL, CA or signature check failed. */
-#define MBEDTLS_ERR_X509_CERT_UNKNOWN_FORMAT              -0x2780  /**< Format not recognized as DER or PEM. */
-#define MBEDTLS_ERR_X509_BAD_INPUT_DATA                   -0x2800  /**< Input invalid. */
-#define MBEDTLS_ERR_X509_ALLOC_FAILED                     -0x2880  /**< Allocation of memory failed. */
-#define MBEDTLS_ERR_X509_FILE_IO_ERROR                    -0x2900  /**< Read/write of file failed. */
-#define MBEDTLS_ERR_X509_BUFFER_TOO_SMALL                 -0x2980  /**< Destination buffer is too small. */
-#define MBEDTLS_ERR_X509_FATAL_ERROR                      -0x3000  /**< A fatal error occurred, eg the chain is too long or the vrfy callback failed. */
+/** Unavailable feature, e.g. RSA hashing/encryption combination. */
+#define MBEDTLS_ERR_X509_FEATURE_UNAVAILABLE              -0x2080
+/** Requested OID is unknown. */
+#define MBEDTLS_ERR_X509_UNKNOWN_OID                      -0x2100
+/** The CRT/CRL/CSR format is invalid, e.g. different type expected. */
+#define MBEDTLS_ERR_X509_INVALID_FORMAT                   -0x2180
+/** The CRT/CRL/CSR version element is invalid. */
+#define MBEDTLS_ERR_X509_INVALID_VERSION                  -0x2200
+/** The serial tag or value is invalid. */
+#define MBEDTLS_ERR_X509_INVALID_SERIAL                   -0x2280
+/** The algorithm tag or value is invalid. */
+#define MBEDTLS_ERR_X509_INVALID_ALG                      -0x2300
+/** The name tag or value is invalid. */
+#define MBEDTLS_ERR_X509_INVALID_NAME                     -0x2380
+/** The date tag or value is invalid. */
+#define MBEDTLS_ERR_X509_INVALID_DATE                     -0x2400
+/** The signature tag or value invalid. */
+#define MBEDTLS_ERR_X509_INVALID_SIGNATURE                -0x2480
+/** The extension tag or value is invalid. */
+#define MBEDTLS_ERR_X509_INVALID_EXTENSIONS               -0x2500
+/** CRT/CRL/CSR has an unsupported version number. */
+#define MBEDTLS_ERR_X509_UNKNOWN_VERSION                  -0x2580
+/** Signature algorithm (oid) is unsupported. */
+#define MBEDTLS_ERR_X509_UNKNOWN_SIG_ALG                  -0x2600
+/** Signature algorithms do not match. (see \c ::mbedtls_x509_crt sig_oid) */
+#define MBEDTLS_ERR_X509_SIG_MISMATCH                     -0x2680
+/** Certificate verification failed, e.g. CRL, CA or signature check failed. */
+#define MBEDTLS_ERR_X509_CERT_VERIFY_FAILED               -0x2700
+/** Format not recognized as DER or PEM. */
+#define MBEDTLS_ERR_X509_CERT_UNKNOWN_FORMAT              -0x2780
+/** Input invalid. */
+#define MBEDTLS_ERR_X509_BAD_INPUT_DATA                   -0x2800
+/** Allocation of memory failed. */
+#define MBEDTLS_ERR_X509_ALLOC_FAILED                     -0x2880
+/** Read/write of file failed. */
+#define MBEDTLS_ERR_X509_FILE_IO_ERROR                    -0x2900
+/** Destination buffer is too small. */
+#define MBEDTLS_ERR_X509_BUFFER_TOO_SMALL                 -0x2980
+/** A fatal error occurred, eg the chain is too long or the vrfy callback failed. */
+#define MBEDTLS_ERR_X509_FATAL_ERROR                      -0x3000
 /* \} name */
 
 /**