diff --git a/GenerateReport.py b/GenerateReport.py
index dffa8a3..f9d4ee0 100644
--- a/GenerateReport.py
+++ b/GenerateReport.py
@@ -81,15 +81,18 @@
 # ---------------- Utility Functions ----------------
 def main() -> None:
     """
-    Main entry point for generate weekly report workflow.
-
-    - Parses the requirements file.
-    - Fetches metadata and known vulnerabilities.
-    - Suggests upgrades and gathers dependency info.
-    - Outputs reports in selected formats (CSV, HTML, JSON).
-
-    Returns:
-        None
+    Generates a comprehensive weekly vulnerability and upgrade report for Python packages.
+    
+    This function orchestrates the end-to-end workflow for scanning Python dependencies, checking for known vulnerabilities, suggesting safe upgrades, and compiling detailed reports. It parses requirements, fetches PyPI metadata, analyzes dependencies, checks vulnerabilities asynchronously, and aggregates custodian and usage information. Reports are generated in CSV, HTML, JSON, and Excel formats, including specialized personal reports for vulnerable packages. The function also handles monthly summary report creation and enhanced HTML output for email notifications.
+    
+    The workflow includes:
+    - Parsing command-line arguments for output formats and base package list updates.
+    - Loading package lists, custodian mappings, and usage status.
+    - Gathering metadata, dependency, and vulnerability information for each package.
+    - Suggesting upgrades and generating upgrade instructions where applicable.
+    - Writing reports in multiple formats and generating summary statistics.
+    
+    No value is returned.
     """
     paths = get_report_paths()
     report_dir = get_report_output_folder()
diff --git a/utils/InstructionFormatter.py b/utils/InstructionFormatter.py
index 9a012ef..c67c815 100644
--- a/utils/InstructionFormatter.py
+++ b/utils/InstructionFormatter.py
@@ -6,7 +6,14 @@
 
 
 def instruction_to_text(instruction: Optional[Mapping[str, Any]]) -> str:
-    """Return a human-readable string from an upgrade instruction dict."""
+    """
+    Convert an upgrade instruction dictionary into a concise human-readable string.
+    
+    Returns an empty string if the instruction is missing or lacks a base package. If dependencies are present, lists them after the base package upgrade message; otherwise, only the base package upgrade is mentioned.
+    
+    Returns:
+        str: Human-readable upgrade instruction, or an empty string if input is invalid.
+    """
     if not instruction:
         return ""
     base_pkg = instruction.get("base_package", "")
@@ -22,7 +29,18 @@ def instruction_to_text(instruction: Optional[Mapping[str, Any]]) -> str:
 import json
 
 def instruction_to_detailed_text(instruction: Optional[Mapping[str, Any]], current_deps_json: str = "{}") -> str:
-    """Return a detailed human-readable string with dependency upgrade reasons."""
+    """
+    Generate a detailed human-readable description of an upgrade instruction, including reasons for dependency updates.
+    
+    If dependencies are present, compares each target dependency version with the current version (parsed from a JSON string). Marks dependencies as either upgrades from a known version or as new requirements. Returns a string summarizing the base package upgrade and detailed dependency updates. Returns an empty string if the instruction is missing or incomplete.
+    
+    Parameters:
+        instruction (Optional[Mapping[str, Any]]): The upgrade instruction containing at least a "base_package" key and optionally a "dependencies" list.
+        current_deps_json (str): A JSON string representing the current dependencies, expected to contain a "dependencies" list in the format ["package==version", ...].
+    
+    Returns:
+        str: A detailed upgrade summary, or an empty string if input is invalid.
+    """
     if not instruction:
         return ""