diff --git a/docs/lib.md b/docs/lib.md
index 598f0a2b..8d2b7c2b 100644
--- a/docs/lib.md
+++ b/docs/lib.md
@@ -20,7 +20,7 @@ JC lib module
 ### parse
 
 ```python
-def parse(parser_mod_name: str, data: Union[str, Iterable[str]], quiet: Optional[bool] = False, raw: Optional[bool] = False, ignore_exceptions: Optional[bool] = None, **kwargs: Optional[Any]) -> Union[Dict, List[Dict], Iterator[Dict]]
+def parse(parser_mod_name: str, data: Union[str, Iterable[str]], quiet: bool = False, raw: bool = False, ignore_exceptions: bool = None, **kwargs) -> Union[Dict, List[Dict], Iterator[Dict]]
 ```
 
 Parse the string data using the supplied parser module.
@@ -105,7 +105,7 @@ subset of `parser_mod_list()`.
 ### parser\_info
 
 ```python
-def parser_info(parser_mod_name: str) -> Dict
+def parser_info(parser_mod_name: str) -> Union[Dict, None]
 ```
 
 Returns a dictionary that includes the module metadata.
@@ -118,7 +118,7 @@ This function will accept **module_name**, **cli-name**, and
 ### all\_parser\_info
 
 ```python
-def all_parser_info() -> List[Dict]
+def all_parser_info() -> List[Optional[Dict]]
 ```
 
 Returns a list of dictionaris that includes metadata for all modules.
diff --git a/docs/utils.md b/docs/utils.md
index b0df4081..2b914cac 100644
--- a/docs/utils.md
+++ b/docs/utils.md
@@ -112,7 +112,7 @@ Returns:
 ### convert\_to\_int
 
 ```python
-def convert_to_int(value: Union[str, float]) -> int
+def convert_to_int(value: Union[str, float]) -> Union[int, None]
 ```
 
 Converts string and float input to int. Strips all non-numeric
@@ -131,7 +131,7 @@ Returns:
 ### convert\_to\_float
 
 ```python
-def convert_to_float(value: Union[str, int]) -> float
+def convert_to_float(value: Union[str, int]) -> Union[float, None]
 ```
 
 Converts string and int input to float. Strips all non-numeric