diff --git a/README.md b/README.md
index dfbcb9b..3611ad0 100644
--- a/README.md
+++ b/README.md
@@ -57,7 +57,7 @@ poetry run gt app new --directory ~/workplace demo_app
 Test an App locally:
 
 ```shell
-poetry run gt app run --directory ~/workplace/demo_app --arg "what is griptape?"
+poetry run gt app run --directory ~/workplace/demo_app --arg "what is griptape?" --init-param "key" "value"
 ```
 
 Create an App on the Cloud:
diff --git a/griptape/cli/commands/app.py b/griptape/cli/commands/app.py
index f9acabb..0a2f47e 100644
--- a/griptape/cli/commands/app.py
+++ b/griptape/cli/commands/app.py
@@ -63,7 +63,6 @@ def new(name: str, package_manager: str, directory: str, griptape_version: str)
     multiple=True,
     help="Initialization parameters for the app in the format 'key value'.",
     required=False,
-    
 )
 @click.option(
     "--directory",
@@ -73,7 +72,9 @@ def new(name: str, package_manager: str, directory: str, griptape_version: str)
     default=os.getcwd(),
     show_default=True,
 )
-def run(arg: list[str], init_params: list[tuple[str,str]], directory: str) -> TextArtifact:
+def run(
+    arg: list[str], init_params: list[tuple[str, str]], directory: str
+) -> TextArtifact:
     """
     Run a Griptape app.
     """
@@ -81,5 +82,7 @@ def run(arg: list[str], init_params: list[tuple[str,str]], directory: str) -> Te
     echo(f"Running app")
     params = {k: v for k, v in init_params}
 
-    structure_runner = StructureRunner(args=arg, init_params=params, app_directory=directory)
+    structure_runner = StructureRunner(
+        args=arg, init_params=params, app_directory=directory
+    )
     structure_runner.run()
diff --git a/griptape/cli/core/structure_runner.py b/griptape/cli/core/structure_runner.py
index aef5bb9..cc455e0 100644
--- a/griptape/cli/core/structure_runner.py
+++ b/griptape/cli/core/structure_runner.py
@@ -9,7 +9,7 @@
 @define
 class StructureRunner:
     args: list[str] = field(kw_only=True)
-    init_params: Optional[dict[str,str]] = field(
+    init_params: Optional[dict[str, str]] = field(
         kw_only=True, default=Factory(lambda: dict())
     )
     app_directory: Optional[str] = field(