diff --git a/fieldservice_calendar/models/calendar.py b/fieldservice_calendar/models/calendar.py
index ec7d2866d9..1862ab7a69 100644
--- a/fieldservice_calendar/models/calendar.py
+++ b/fieldservice_calendar/models/calendar.py
@@ -1,7 +1,7 @@
 # Copyright (C) 2021 Raphaël Reverdy <raphael.reverdy@akretion.com>
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
-from odoo import fields, models
+from odoo import fields, models, tools
 
 
 class Meeting(models.Model):
@@ -15,38 +15,38 @@ class Meeting(models.Model):
 
     def _update_fsm_order_date(self):
         self.ensure_one()
-        if self._context.get("recurse_order_calendar"):
-            # avoid recursion
-            return
         to_apply = {}
         to_apply["scheduled_date_start"] = self.start
         to_apply["scheduled_duration"] = self.duration
-        self.fsm_order_id.with_context(recurse_order_calendar=True).write(to_apply)
+        self.fsm_order_id.write(to_apply)
 
     def _update_fsm_assigned(self):
         # update back fsm_order when an attenndee is member of a team
         self.ensure_one()
-        if self._context.get("recurse_order_calendar"):
-            # avoid recursion
-            return
-        person_id = None
-        for partner in self.partner_ids:
-            if partner.fsm_person:
-                person_id = (
-                    self.env["fsm.person"]
-                    .search([["partner_id", "=", partner.id]], limit=1)
-                    .id
-                )
-                break
-        self.fsm_order_id.with_context(recurse_order_calendar=True).write(
-            {"person_id": person_id}
-        )
+        for partner in self.partner_ids.filtered("fsm_person"):
+            self.fsm_order_id.person_id = self.env["fsm.person"].search(
+                [("partner_id", "=", partner.id)], limit=1
+            )
+            break
+
+    def _update_fsm_order_description(self):
+        self.fsm_order_id.description = tools.html2plaintext(self.description or "")
 
     def write(self, values):
         res = super().write(values)
-        if self.fsm_order_id:
-            if "start" in values or "duration" in values:
-                self._update_fsm_order_date()
-            if "partner_ids" in values:
-                self._update_fsm_assigned()
+        if values.keys() & {
+            "start",
+            "duration",
+            "partner_ids",
+            "description",
+        } and not self.env.context.get("recurse_order_calendar"):
+            for event in self.filtered("fsm_order_id").with_context(
+                recurse_order_calendar=True
+            ):
+                if "start" in values or "duration" in values:
+                    event._update_fsm_order_date()
+                if "partner_ids" in values:
+                    event._update_fsm_assigned()
+                if "description" in values:
+                    event._update_fsm_order_description()
         return res
diff --git a/fieldservice_calendar/models/fsm_order.py b/fieldservice_calendar/models/fsm_order.py
index d374099a78..4e1c05e00b 100644
--- a/fieldservice_calendar/models/fsm_order.py
+++ b/fieldservice_calendar/models/fsm_order.py
@@ -1,7 +1,7 @@
 # Copyright (C) 2021 Raphaël Reverdy <raphael.reverdy@akretion.com>
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
-from odoo import api, fields, models
+from odoo import api, fields, models, tools
 
 
 class FSMOrder(models.Model):
@@ -37,7 +37,7 @@ def _prepare_calendar_event(self):
         model_id = self.env.ref("fieldservice.model_fsm_order").id
         vals = {
             "name": self.name,
-            "description": self.description,
+            "description": tools.plaintext2html(self.description or ""),
             "start": self.scheduled_date_start,
             "stop": self.scheduled_date_end,
             "allday": False,
@@ -53,18 +53,22 @@ def _prepare_calendar_event(self):
         return vals
 
     def write(self, vals):
-        old_persons = {}
-        for rec in self:
-            old_persons[rec.id] = rec.person_id
+        if "person_id" in vals and not self.env.context.get("recurse_order_calendar"):
+            old_persons = {order: order.person_id for order in self}
         res = super().write(vals)
         to_update = self.create_or_delete_calendar()
-        with_calendar = to_update.filtered("calendar_event_id")
-        if "scheduled_date_start" in vals or "scheduled_date_end" in vals:
-            with_calendar.update_calendar_date(vals)
-        if "location_id" in vals:
-            with_calendar.update_calendar_location()
-        if "person_id" in vals:
-            with_calendar.update_calendar_person(old_persons)
+        if not self.env.context.get("recurse_order_calendar"):
+            with_calendar = to_update.filtered("calendar_event_id").with_context(
+                recurse_order_calendar=True
+            )
+            if "scheduled_date_start" in vals or "scheduled_date_end" in vals:
+                with_calendar.update_calendar_date(vals)
+            if "description" in vals:
+                with_calendar.update_calendar_description()
+            if "location_id" in vals:
+                with_calendar.update_calendar_location()
+            if "person_id" in vals:
+                with_calendar.update_calendar_person(old_persons)
         return res
 
     def unlink(self):
@@ -84,16 +88,16 @@ def _rm_calendar_event(self):
         self.calendar_event_id.unlink()
 
     def update_calendar_date(self, vals):
-        if self._context.get("recurse_order_calendar"):
-            # avoid recursion
-            return
         to_apply = {}
         to_apply["start"] = self.scheduled_date_start
         to_apply["stop"] = self.scheduled_date_end
         # always write start and stop in order to calc duration
-        self.mapped("calendar_event_id").with_context(
-            recurse_order_calendar=True
-        ).write(to_apply)
+        self.calendar_event_id.write(to_apply)
+
+    def update_calendar_description(self):
+        for order in self:
+            html_description = tools.plaintext2html(order.description or "")
+            order.calendar_event_id.description = html_description
 
     def update_calendar_location(self):
         for rec in self:
@@ -104,14 +108,9 @@ def _serialize_location(self):
         return f"{partner_id.name} {partner_id._display_address()}"
 
     def update_calendar_person(self, old_persons):
-        if self._context.get("recurse_order_calendar"):
-            # avoid recursion
-            return
-        for rec in self:
-            with_ctx = rec.calendar_event_id.with_context(recurse_order_calendar=True)
-            if old_persons.get(rec.id):
-                # remove buddy
-                with_ctx.partner_ids = [(3, old_persons[rec.id].partner_id.id, False)]
-            if rec.person_id:
-                # add the new one
-                with_ctx.partner_ids = [(4, rec.person_id.partner_id.id, False)]
+        for order in self:
+            event = order.calendar_event_id
+            if person := old_persons.get(order):
+                event.partner_ids -= person.partner_id  # remove buddy
+            if person := order.person_id:
+                event.partner_ids += person.partner_id  # add new one
diff --git a/fieldservice_calendar/readme/CONTRIBUTORS.rst b/fieldservice_calendar/readme/CONTRIBUTORS.rst
index 0238b67df8..b9ffec1410 100644
--- a/fieldservice_calendar/readme/CONTRIBUTORS.rst
+++ b/fieldservice_calendar/readme/CONTRIBUTORS.rst
@@ -1,2 +1,5 @@
 * Raphaël Reverdy <raphael.reverdy@akretion.com>
 * Freni Patel <fpatel@opensourceintegrators.com>
+* `XCG Consulting <https://xcg-consulting.fr>`_:
+
+  * Houzéfa Abbasbhay
diff --git a/fieldservice_calendar/tests/test_fsm_calendar.py b/fieldservice_calendar/tests/test_fsm_calendar.py
index 40cbeef62f..be6c4c30cc 100644
--- a/fieldservice_calendar/tests/test_fsm_calendar.py
+++ b/fieldservice_calendar/tests/test_fsm_calendar.py
@@ -2,7 +2,7 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
 from odoo import fields
-from odoo.tests.common import TransactionCase
+from odoo.tests.common import Form, TransactionCase
 
 
 class TestFSMOrder(TransactionCase):
@@ -18,25 +18,15 @@ def setUpClass(cls):
         cls.person_id3 = cls.env.ref("fieldservice.person_3")
 
     def test_fsm_order_no_duration(self):
-        new = self.Order.create(
-            {
-                "location_id": self.test_location.id,
-                # no duration = no calendar
-            }
-        )
+        # not scheduled (no duration) = no calendar
+        new = self._create_fsm_order(schedule=False)
         evt = new.calendar_event_id
         self.assertFalse(evt.exists())
 
     def test_fsm_order_no_calendar_user(self):
         self.team.calendar_user_id = False
         # no calendar user_id  = no calendar event
-        new = self.Order.create(
-            {
-                "location_id": self.test_location.id,
-                "scheduled_date_start": fields.Datetime.today(),
-                "scheduled_duration": 2,
-            }
-        )
+        new = self._create_fsm_order(schedule=True)
         evt = new.calendar_event_id
         self.assertFalse(evt.exists())
         self.team.calendar_user_id = self.env.ref("base.partner_root").id
@@ -53,14 +43,7 @@ def test_fsm_order_no_calendar_user(self):
         self.assertFalse(evt.exists())
 
     def test_fsm_order_unlink(self):
-        # Create an Orders
-        new = self.Order.create(
-            {
-                "location_id": self.test_location.id,
-                "scheduled_date_start": fields.Datetime.today(),
-                "scheduled_duration": 2,
-            }
-        )
+        new = self._create_fsm_order(schedule=True)
         evt = new.calendar_event_id
         self.assertTrue(evt.exists())
 
@@ -72,14 +55,7 @@ def test_fsm_order_unlink(self):
         self.assertFalse(evt.exists())
 
     def test_fsm_order_ensure_attendee(self):
-        # Create an Orders
-        new = self.Order.create(
-            {
-                "location_id": self.test_location.id,
-                "scheduled_date_start": fields.Datetime.today(),
-                "scheduled_duration": 2,
-            }
-        )
+        new = self._create_fsm_order(schedule=True)
         evt = new.calendar_event_id
         self.assertTrue(
             len(evt.partner_ids) == 1,
@@ -94,3 +70,22 @@ def test_fsm_order_ensure_attendee(self):
         self.assertTrue(
             len(evt.partner_ids) == 2, "Not workers should be removed from attendees"
         )
+
+    def test_description_sync(self):
+        fsm_order = self._create_fsm_order(schedule=True)
+        event = fsm_order.calendar_event_id
+        self.assertEqual(event.description, "<p></p>")
+        with Form(fsm_order) as form:
+            form.description = "line 1\nline 2"
+        self.assertEqual(event.description, "<p>line 1<br>line 2</p>")
+        with Form(event) as form:
+            form.description = "<p>line 1<br>line 2<br>line 3</p>"
+        self.assertEqual(fsm_order.description, "line 1\nline 2\nline 3")
+
+    def _create_fsm_order(self, schedule=False):
+        form = Form(self.Order)
+        form.location_id = self.test_location
+        if schedule:
+            form.scheduled_date_start = fields.Datetime.today()
+            form.scheduled_duration = 2
+        return form.save()