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-rw-r--r--src/include/taler_json_lib.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/include/taler_json_lib.h b/src/include/taler_json_lib.h
index f61e2c0f..bf8c2217 100644
--- a/src/include/taler_json_lib.h
+++ b/src/include/taler_json_lib.h
@@ -215,7 +215,9 @@ TALER_JSON_contract_mark_forgettable (json_t *json,
*
* @param[in,out] json some JSON object to modify
* @param field name of the field to forget
- * @return #GNUNET_OK on success, #GNUNET_SYSERR on error
+ * @return #GNUNET_OK on success,
+ * #GNUNET_NO if the field was already forgotten before
+ * #GNUNET_SYSERR on error
*/
int
TALER_JSON_contract_part_forget (json_t *json,