chore(docs): update client docstring (#38)

Author: stainless-app[bot]

src/zeroentropy/_client.py

@@ -81,7 +81,7 @@ def __init__(
         # part of our public interface in the future.
         _strict_response_validation: bool = False,
     ) -> None:
-        """Construct a new synchronous zeroentropy client instance.
+        """Construct a new synchronous ZeroEntropy client instance.
 
         This automatically infers the `api_key` argument from the `ZEROENTROPY_API_KEY` environment variable if it is not provided.
         """
@@ -259,7 +259,7 @@ def __init__(
         # part of our public interface in the future.
         _strict_response_validation: bool = False,
     ) -> None:
-        """Construct a new async zeroentropy client instance.
+        """Construct a new async AsyncZeroEntropy client instance.
 
         This automatically infers the `api_key` argument from the `ZEROENTROPY_API_KEY` environment variable if it is not provided.
         """