chore(docs): update client docstring (#11)

Author: stainless-app[bot]

src/isaacus/_client.py

@@ -67,7 +67,7 @@ def __init__(
         # part of our public interface in the future.
         _strict_response_validation: bool = False,
     ) -> None:
-        """Construct a new synchronous isaacus client instance.
+        """Construct a new synchronous Isaacus client instance.
 
         This automatically infers the `api_key` argument from the `ISAACUS_API_KEY` environment variable if it is not provided.
         """
@@ -235,7 +235,7 @@ def __init__(
         # part of our public interface in the future.
         _strict_response_validation: bool = False,
     ) -> None:
-        """Construct a new async isaacus client instance.
+        """Construct a new async AsyncIsaacus client instance.
 
         This automatically infers the `api_key` argument from the `ISAACUS_API_KEY` environment variable if it is not provided.
         """