diff --git a/README.md b/README.md
index 2a0f4a8..b499b70 100644
--- a/README.md
+++ b/README.md
@@ -84,30 +84,30 @@ from tensorneat.common import ACT, AGG
 
 # define the pipeline
 pipeline = Pipeline(
-        algorithm=NEAT(
-            pop_size=1000,
-            species_size=20,
-            survival_threshold=0.1,
-            compatibility_threshold=1.0,
-            genome=DefaultGenome(
-                num_inputs=11,
-                num_outputs=3,
-                init_hidden_layers=(),
-                node_gene=BiasNode(
-                    activation_options=ACT.tanh,
-                    aggregation_options=AGG.sum,
-                ),
-                output_transform=ACT.tanh,
+    algorithm=NEAT(
+        pop_size=1000,
+        species_size=20,
+        survival_threshold=0.1,
+        compatibility_threshold=1.0,
+        genome=DefaultGenome(
+            num_inputs=11,
+            num_outputs=3,
+            init_hidden_layers=(),
+            node_gene=BiasNode(
+                activation_options=ACT.tanh,
+                aggregation_options=AGG.sum,
             ),
+            output_transform=ACT.tanh,
         ),
-        problem=BraxEnv(
-            env_name="hopper",
-            max_step=1000,
-        ),
-        seed=42,
-        generation_limit=100,
-        fitness_target=5000,
-    )
+    ),
+    problem=BraxEnv(
+        env_name="hopper",
+        max_step=1000,
+    ),
+    seed=42,
+    generation_limit=100,
+    fitness_target=5000,
+)
 
 # initialize state
 state = pipeline.setup()