diff --git a/README.md b/README.md
index 28ca887..65f4dfb 100644
--- a/README.md
+++ b/README.md
@@ -422,7 +422,7 @@ The following basic use cases are to be implemented at the first time.
 - [X] A user signs up
 - [X] A user logs in
 - [X] A user lists their events (pagination)
-- [] A user sees the detail of an event (description, members, amount)
+- [X] A user sees the detail of an event (description, members, amount)
 - [] A user sees the expenses of an event (total amount, personal expenses, pagination)
 - [] A user sees the detail of an expense: (time, amount, payers, recipients)
 - [] A user adds an expense
@@ -431,13 +431,18 @@ The following basic use cases are to be implemented at the first time.
 - [] A user restore a deleted expense
 - [] A user can pay the debt to other members
 - [X] A user creates an event (and participate to it)
-- [] A user updates the event info
-- [] A user invites another user by sending a mail with a token.
-- [] A user joins an event by accepting an invitation
-- [] A user quits an event (they cannot actually, but we can make as if they quitted)
+- [X] A user updates the event info
+- [X] A user invites another user by sending a mail with a token.
+- [X] A user joins an event by accepting an invitation
+- [] ~A user quits an event (they cannot actually, but we can make as if they quitted)~ 
+**No we can't quit!**
 - [] A user cannot see other user's information
 - [] A user cannot see the events that they didn't participated in.
 
+For the second stage:
+
+- [] A user can archive an event
+
 With those functionalities, there will be an usable product. And then we can
 work on other aspects. For example:
 
diff --git a/internal/howmuch/adapter/repo/sqlc/event.sql b/internal/howmuch/adapter/repo/sqlc/event.sql
index 4d762da..5d528f1 100644
--- a/internal/howmuch/adapter/repo/sqlc/event.sql
+++ b/internal/howmuch/adapter/repo/sqlc/event.sql
@@ -56,3 +56,9 @@ GROUP BY
     e.total_amount, e.default_currency,
     o.id, o.first_name, o.last_name;
 
+-- name: UpdateEventByID :exec
+UPDATE "event"
+SET name = $2, description = $3, updated_at = $4
+WHERE id = $1;
+
+
diff --git a/internal/howmuch/adapter/repo/sqlc/event.sql.go b/internal/howmuch/adapter/repo/sqlc/event.sql.go
index ec14a9b..5304de6 100644
--- a/internal/howmuch/adapter/repo/sqlc/event.sql.go
+++ b/internal/howmuch/adapter/repo/sqlc/event.sql.go
@@ -172,3 +172,26 @@ func (q *Queries) ListEventsByUserID(ctx context.Context, userID int32) ([]ListE
 	}
 	return items, nil
 }
+
+const updateEventByID = `-- name: UpdateEventByID :exec
+UPDATE "event"
+SET name = $2, description = $3, updated_at = $4
+WHERE id = $1
+`
+
+type UpdateEventByIDParams struct {
+	ID          int32
+	Name        string
+	Description sql.NullString
+	UpdatedAt   time.Time
+}
+
+func (q *Queries) UpdateEventByID(ctx context.Context, arg UpdateEventByIDParams) error {
+	_, err := q.db.ExecContext(ctx, updateEventByID,
+		arg.ID,
+		arg.Name,
+		arg.Description,
+		arg.UpdatedAt,
+	)
+	return err
+}
diff --git a/internal/howmuch/adapter/repo/sqlc/models.go b/internal/howmuch/adapter/repo/sqlc/models.go
index 7913d60..8720c29 100644
--- a/internal/howmuch/adapter/repo/sqlc/models.go
+++ b/internal/howmuch/adapter/repo/sqlc/models.go
@@ -5,6 +5,7 @@
 package sqlc
 
 import (
+	"database/sql"
 	"time"
 )
 
@@ -15,6 +16,26 @@ type Admin struct {
 	AccessLevel int32
 }
 
+type Event struct {
+	ID              int32
+	Name            string
+	Description     sql.NullString
+	DefaultCurrency string
+	OwnerID         int32
+	CreatedAt       time.Time
+	UpdatedAt       time.Time
+	TotalAmount     sql.NullInt32
+}
+
+type Participation struct {
+	ID              int32
+	UserID          int32
+	EventID         int32
+	InvitedByUserID sql.NullInt32
+	CreatedAt       time.Time
+	UpdatedAt       time.Time
+}
+
 type User struct {
 	ID        int32
 	Email     string