diff --git a/PostgreSQL/src/create.sql b/PostgreSQL/src/create.sql
index 0e7307f..a6882d8 100644
--- a/PostgreSQL/src/create.sql
+++ b/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)
 );