diff --git a/slides/en/applications/_application4a.qmd b/slides/en/applications/_application4a.qmd
index 06d9949..7f93691 100644
--- a/slides/en/applications/_application4a.qmd
+++ b/slides/en/applications/_application4a.qmd
@@ -44,12 +44,12 @@ logging.info(f"{{'Query': {description}, 'Response': {predictions[0]}}}")
 
 <details> 
 <summary> 
-    <font size="3" color="darkgreen"><b>Click to see the steps to complete </b></font> 
+    <font size=\"3\" color=\"darkgreen\"><b>Click to see the steps to complete </b></font> 
 </summary>
 
 1. In the `kubernetes/deployment.yml` file, replace the `no-logs` tag with the `logs` tag:
 
----{yaml code-line-numbers="8" filename="deployment.yml"}
+```{yaml code-line-numbers="8" filename="deployment.yml"}
 template:
   metadata:
     labels:
@@ -59,7 +59,7 @@ template:
       - name: api
         image: inseefrlab/formation-mlops:logs
         imagePullPolicy: Always
----
+```
 
 2. Commit your changes and push them to your remote repository.
 
@@ -71,7 +71,7 @@ template:
 
 <details> 
 <summary> 
-    <font size="3" color="darkgreen"><b>Click to see the command </b></font> 
+    <font size=\"3\" color=\"darkgreen\"><b>Click to see the command </b></font> 
 </summary>
 
 ```shell
diff --git a/slides/en/index.qmd b/slides/en/index.qmd
index c9881e2..9f443b6 100644
--- a/slides/en/index.qmd
+++ b/slides/en/index.qmd
@@ -93,7 +93,7 @@ from: markdown+emoji
 
 ## Application 4 {.scrollable}
 
-{{< include applications/_application4.qmd >}}
+{{< include applications/_application4b.qmd >}}
 
 ## Summary
 
diff --git a/slides/en/sections/4-ml-in-production.qmd b/slides/en/sections/4-ml-in-production.qmd
index 55f96cb..f9c27fe 100644
--- a/slides/en/sections/4-ml-in-production.qmd
+++ b/slides/en/sections/4-ml-in-production.qmd
@@ -7,7 +7,7 @@
 
 - The lifecycle of a ML model is [**complex**]{.orange}
 - Several [**stakeholders**]{.orange} involved:
-    - [**Data scientist**]{.blue2}
+    - [**Data scientists**]{.blue2}
     - [**IT/DevOps**]{.blue2}
     - [**Business teams**]{.blue2}
 
@@ -58,7 +58,7 @@
 
 ## Application 4 {.scrollable}
 
-{{< include applications/_application4.qmd >}}
+{{< include applications/_application4a.qmd >}}
 
 ## Model observability through a dashboard
 
diff --git a/slides/fr/index.qmd b/slides/fr/index.qmd
index d28528e..1df69f2 100644
--- a/slides/fr/index.qmd
+++ b/slides/fr/index.qmd
@@ -430,7 +430,7 @@ ojs_define(data_raw = df, data_prepro = df_prepro)
 
 - Le cycle de vie d'un modèle ML est [**complexe**]{.orange}
 - Plusieurs [**parties prenantes**]{.orange} impliquées :
-    - [**Data scientist**]{.blue2}
+    - [**Data scientists**]{.blue2}
     - [**IT/DevOps**]{.blue2}
     - [**Equipes métiers**]{.blue2}
 
diff --git a/slides/img/monitoring-datalab.png b/slides/img/monitoring-datalab.png
new file mode 100644
index 0000000..210512d
Binary files /dev/null and b/slides/img/monitoring-datalab.png differ