Added PSA_ERROR_BUFFER_TOO_SMALL to psa_hash_compute
diff --git a/include/psa/crypto.h b/include/psa/crypto.h
index 2f5ec01..a797cd5 100644
--- a/include/psa/crypto.h
+++ b/include/psa/crypto.h
@@ -807,6 +807,8 @@
* Success.
* \retval #PSA_ERROR_NOT_SUPPORTED
* \p alg is not supported or is not a hash algorithm.
+ * \retval #PSA_ERROR_BUFFER_TOO_SMALL
+ * \p hash_size is too small
* \retval #PSA_ERROR_INSUFFICIENT_MEMORY
* \retval #PSA_ERROR_COMMUNICATION_FAILURE
* \retval #PSA_ERROR_HARDWARE_FAILURE