diff --git a/include/mbedtls/camellia.h b/include/mbedtls/camellia.h
index af3ef88..93987bf 100644
--- a/include/mbedtls/camellia.h
+++ b/include/mbedtls/camellia.h
@@ -91,7 +91,7 @@
  * \param key      encryption key
  * \param keybits  must be 128, 192 or 256
  *
- * \return         0 if successful, or MBEDTLS_ERR_CAMELLIA_INVALID_KEY_LENGTH
+ * \return         0 if successful, or MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA
  */
 int mbedtls_camellia_setkey_enc( mbedtls_camellia_context *ctx, const unsigned char *key,
                          unsigned int keybits );
@@ -103,7 +103,7 @@
  * \param key      decryption key
  * \param keybits  must be 128, 192 or 256
  *
- * \return         0 if successful, or MBEDTLS_ERR_CAMELLIA_INVALID_KEY_LENGTH
+ * \return         0 if successful, or MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA
  */
 int mbedtls_camellia_setkey_dec( mbedtls_camellia_context *ctx, const unsigned char *key,
                          unsigned int keybits );
@@ -145,7 +145,7 @@
  * \param output   buffer holding the output data
  *
  * \return         0 if successful, or
- *                 MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH
+ *                 MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA
  */
 int mbedtls_camellia_crypt_cbc( mbedtls_camellia_context *ctx,
                     int mode,
@@ -180,7 +180,7 @@
  * \param output   buffer holding the output data
  *
  * \return         0 if successful, or
- *                 MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH
+ *                 MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA.
  */
 int mbedtls_camellia_crypt_cfb128( mbedtls_camellia_context *ctx,
                        int mode,