diff --git a/main.star b/main.star
index cb284ec..4c9f073 100644
--- a/main.star
+++ b/main.star
@@ -13,19 +13,19 @@ def run(plan, chain_type = "local", relaychain = None, parachains = None, explor
     
     Args:
         chain_type (string): The type of chain (local, testnet or mainnet). Default is local.
-        relaychain (json, optional): A json object containing data for relay chain config.
+        relaychain (json): A json object containing data for relay chain config.
             - name (string): Name of relay chain.
             - nodes (json): A json object containing node details.
                 - name (string): Name of node.
                 - node_type (string): Type of node.
                 - prometheus (bool): Boolean value to enable metrics for a given node.
-        parachains (json, optional): A json object containing data for para chain config. Each item in the list has the following:
+        parachains (json): A json object containing data for para chain config. Each item in the list has the following:
             - name (string): Name of para chain.
             - nodes (json): A json object containing node details.
                 - name (string): Name of node.
                 - node_type (string): Type of node.
                 - prometheus (bool): Boolean value to enable metrics for a given node.
-        explorer (bool, optional): A boolean value indicating whether to enable polkadot js explorer or not.
+        explorer (bool): A boolean value indicating whether to enable polkadot js explorer or not.
 
     Returns:
         service_details (json): Service details containing information about relay chains, parachains, and Prometheus.