diff --git a/connect/cli/plugins/project/extension/templates/bootstrap/${project_slug}/${package_name}/schemas.py.j2 b/connect/cli/plugins/project/extension/templates/bootstrap/${project_slug}/${package_name}/schemas.py.j2
index 0c16e55b..498442a9 100644
--- a/connect/cli/plugins/project/extension/templates/bootstrap/${project_slug}/${package_name}/schemas.py.j2
+++ b/connect/cli/plugins/project/extension/templates/bootstrap/${project_slug}/${package_name}/schemas.py.j2
@@ -1,16 +1,20 @@
-from typing import List
+from typing import List, Optional
 
-from pydantic import BaseModel
+from pydantic import BaseModel, validator
 
 
 class Marketplace(BaseModel):
     id: str
     name: str
     description: str
-    icon: str = (
-        'https://unpkg.com/@cloudblueconnect'
-        '/material-svg@latest/icons/google/language/baseline.svg'
-    )
+    icon: Optional[str]
+
+    @validator('icon')
+    def set_icon(cls, icon):
+        return icon or (
+            'https://unpkg.com/@cloudblueconnect'
+            '/material-svg@latest/icons/google/language/baseline.svg'
+        )
 
 
 class Settings(BaseModel):
diff --git a/connect/cli/plugins/project/extension/templates/bootstrap/${project_slug}/HOWTO.md.j2 b/connect/cli/plugins/project/extension/templates/bootstrap/${project_slug}/HOWTO.md.j2
index e86c797f..29c72274 100644
--- a/connect/cli/plugins/project/extension/templates/bootstrap/${project_slug}/HOWTO.md.j2
+++ b/connect/cli/plugins/project/extension/templates/bootstrap/${project_slug}/HOWTO.md.j2
@@ -25,7 +25,7 @@ $ docker compose up {{ project_slug }}_dev
 If you would like to develop and test at the same time, we recommend you run your project using the command:
 
 ```sh
-$ docker compose up {{ project_slug }}_bash
+$ docker compose run {{ project_slug }}_bash
 ```
 
 Once you get the interactive shell an help banner will be displayed to inform you about the included tools that can help you with the development of your extension.
@@ -34,7 +34,7 @@ Once you get the interactive shell an help banner will be displayed to inform yo
 Additionally, a basic boilerplate for writing unit tests has been created, you can run the tests using:
 
 ```sh
-$ docker compose up {{ project_slug }}_test
+$ docker compose run {{ project_slug }}_test
 ```