diff --git a/docs/parsers/csv.md b/docs/parsers/csv.md
index e0a15777..2955e1bd 100644
--- a/docs/parsers/csv.md
+++ b/docs/parsers/csv.md
@@ -82,7 +82,9 @@ Examples:
 ### parse
 
 ```python
-def parse(data, raw=False, quiet=False)
+def parse(data: Union[str, bytes],
+          raw: bool = False,
+          quiet: bool = False) -> List[JSONDictType]
 ```
 
 Main text parsing function
diff --git a/docs/utils.md b/docs/utils.md
index 6770229f..b6387b06 100644
--- a/docs/utils.md
+++ b/docs/utils.md
@@ -183,7 +183,7 @@ Returns:
 ### input\_type\_check
 
 ```python
-def input_type_check(data: str) -> None
+def input_type_check(data: object) -> None
 ```
 
 Ensure input data is a string. Raises `TypeError` if not.