diff --git a/README.md b/README.md
index 0c796f8..e4671f1 100644
--- a/README.md
+++ b/README.md
@@ -170,9 +170,12 @@ It is possible to chain requests: [see doc](https://support.insomnia.rest/articl
 `npm install -g snowboard`
 
 ## Tests made
-- add token to db/colnod
-- edit token in db/colnod
-- delete token from db/colnod
+Changes on colnod are made by [Colnod client](https://spaceti.atlassian.net/wiki/spaces/IN/pages/194576388/Colnod+client)
+
+Changes on db can be made by sql commands directly or by [pgAdmin](https://www.pgadmin.org/)
+- add token to db/colnod (2 tests)
+- edit token in db/colnod (2 tests)
+- delete token from db/colnod (2 tests)
 - add subject to colnod
 - edit subject in colnod
 - delete subject from colnod
@@ -188,9 +191,7 @@ It is possible to chain requests: [see doc](https://support.insomnia.rest/articl
 - Token table
 ```SQL create
 -- Table: public.colnod_token
-
 -- DROP TABLE public.colnod_token;
-
 CREATE TABLE public.colnod_token
 (
     id character(36) COLLATE pg_catalog."default" NOT NULL,
@@ -220,9 +221,7 @@ ALTER TABLE public.colnod_token
 - Subject table
 ```SQL create
 -- Table: public.colnod_subject
-
 -- DROP TABLE public.colnod_subject;
-
 CREATE TABLE public.colnod_subject
 (
     id character(36) COLLATE pg_catalog."default" NOT NULL,
@@ -245,9 +244,7 @@ ALTER TABLE public.colnod_subject
 - Subject attributes table
 ```SQL create
 -- Table: public.colnod_subject_attribute
-
 -- DROP TABLE public.colnod_subject_attribute;
-
 CREATE TABLE public.colnod_subject_attribute
 (
     id character varying(255) COLLATE pg_catalog."default" NOT NULL,
@@ -267,9 +264,7 @@ ALTER TABLE public.colnod_subject_attribute
 - Config
 ```SQL create
 -- Table: public.config
-
 -- DROP TABLE public.config;
-
 CREATE TABLE public.config
 (
     last_sync bigint NOT NULL DEFAULT 0,