diff --git a/docstring_parser/parser.py b/docstring_parser/parser.py
index cee780d..b893b8a 100644
--- a/docstring_parser/parser.py
+++ b/docstring_parser/parser.py
@@ -12,7 +12,8 @@ def parse_jsdoc(docstring: str) -> Dict[str, Any]:
     as description, parameters, return values, exceptions, examples, and other
     tags. It handles the removal of opening and closing markers, splits the content
     into lines, and categorizes each line based on whether it is part of a tag or
-    the main description.
+    the main description. The function also manages the parsing of individual tags
+    and their corresponding content.
     
     Args:
         docstring (str): The JSDoc string to parse.
@@ -93,7 +94,8 @@ def _process_tag(tag: str, content: List[str], result: Dict[str, Any]) -> None:
     
     The function processes different types of JSDoc tags such as `param`,
     `returns`, `throws`, `example`, and others, updating the provided result
-    dictionary accordingly.
+    dictionary accordingly. It handles nested parameters, optional parameters with
+    default values, and various other tag formats.
     
     Args:
         tag (str): The tag name (without the @ symbol).
diff --git a/docstring_parser/utils.py b/docstring_parser/utils.py
index 3674b5b..07c08cc 100644
--- a/docstring_parser/utils.py
+++ b/docstring_parser/utils.py
@@ -9,7 +9,10 @@ def extract_type_info(type_str: str) -> Dict[str, Any]:
     
     This function parses the input type string to determine if it represents a
     union of types, a generic/template type with parameters, or a simple type. It
-    returns a dictionary containing the parsed type information.
+    returns a dictionary containing the parsed type information. The function
+    checks for union types by looking for the '|' character, identifies
+    generics/templates using regular expressions, and handles nested generics by
+    managing bracket levels.
     
     Args:
         type_str (str): The type string from a JSDoc tag.
@@ -63,9 +66,9 @@ def extract_type_info(type_str: str) -> Dict[str, Any]:
 
 
 def merge_jsdoc_objects(base: Dict[str, Any], overlay: Dict[str, Any]) -> Dict[str, Any]:
-    """Merge two JSDoc objects, with the overlay taking precedence.
+    """Merge two JSDoc objects with the overlay taking precedence.
     
-    The function merges two dictionaries representing JSDoc objects. If a key
+    This function merges two dictionaries representing JSDoc objects. If a key
     exists in both the base and overlay, the value from the overlay takes
     precedence. For keys like 'params' and 'throws', it combines the lists while
     ensuring that items with matching names are updated rather than duplicated.
@@ -133,8 +136,8 @@ def remove_jsdoc_component(jsdoc_obj: Dict[str, Any], component_type: str, ident
     """Remove a specified component from a JSDoc object.
     
     This function modifies the provided JSDoc object by removing a component based
-    on the given type and identifier.  If no identifier is provided, it removes all
-    instances of the component type. The function handles various  component types
+    on the given type and identifier. If no identifier is provided, it removes all
+    instances of the component type. The function handles various component types
     such as 'description', 'param', 'returns', 'throws', 'example', and 'tag'.
     
     Args: