diff --git a/include/mbedtls/aria.h b/include/mbedtls/aria.h
index 9e981d9..c80c9fd 100644
--- a/include/mbedtls/aria.h
+++ b/include/mbedtls/aria.h
@@ -191,7 +191,7 @@
  * \param input    The buffer holding the input data.
  * \param output   The buffer holding the output data.
  *
- * \return         \c 0 on success, or #MBEDTLS_ERR_ARIA_BAD_INPUT_DATA
+ * \return         \c 0 on success, or #MBEDTLS_ERR_ARIA_INVALID_INPUT_LENGTH
  *                 on failure.
  */
 int mbedtls_aria_crypt_cbc( mbedtls_aria_context *ctx,
diff --git a/include/mbedtls/blowfish.h b/include/mbedtls/blowfish.h
index ab4fc23..922d8f8 100644
--- a/include/mbedtls/blowfish.h
+++ b/include/mbedtls/blowfish.h
@@ -138,7 +138,7 @@
  * \param output   buffer holding the output data
  *
  * \return         0 if successful, or
- *                 MBEDTLS_ERR_BLOWFISH_BAD_INPUT_DATA
+ *                 MBEDTLS_ERR_BLOWFISH_INVALID_INPUT_LENGTH
  */
 int mbedtls_blowfish_crypt_cbc( mbedtls_blowfish_context *ctx,
                         int mode,
diff --git a/include/mbedtls/camellia.h b/include/mbedtls/camellia.h
index e524612..0a02335 100644
--- a/include/mbedtls/camellia.h
+++ b/include/mbedtls/camellia.h
@@ -146,7 +146,7 @@
  * \param output   buffer holding the output data
  *
  * \return         0 if successful, or
- *                 MBEDTLS_ERR_CAMELLIA_BAD_INPUT_DATA
+ *                 MBEDTLS_ERR_CAMELLIA_INVALID_INPUT_LENGTH
  */
 int mbedtls_camellia_crypt_cbc( mbedtls_camellia_context *ctx,
                     int mode,