fix: some comments.

PostgreSQL/src/create.sql

@@ -158,6 +158,7 @@ CREATE TABLE noter
 (
     id_modele                   INTEGER                              ,
     id_membre                   INTEGER                              ,
+    -- a mark between 0 and 5.
     note_noter                  VARCHAR(255)                 NOT NULL,
     CONSTRAINT pk__noter PRIMARY KEY (id_modele, id_membre)
 );