diff --git a/scripts/generate_man.py b/scripts/generate_man.py
index 93adb33ee0..b8d09e46a0 100644
--- a/scripts/generate_man.py
+++ b/scripts/generate_man.py
@@ -7,20 +7,43 @@
 from build_manpages.manpage import Manpage  # type: ignore
 
 from pipx.main import get_command_parser
+from typing import NoReturn
+import os
 
+from build_manpages.manpage import Manpage
 
-def main():
-    parser = get_command_parser()
-    parser.man_short_description = parser.description.splitlines()[1]
 
+def get_manpage_body(parser) -> str:
+    """
+    Generate the body of the man page for the pipx command line tool.
+
+    Args:
+        parser: The command parser.
+
+    Returns:
+        The body of the man page as a string.
+    """
+    parser.man_short_description = parser.description.splitlines()[1]
     manpage = Manpage(parser)
     body = str(manpage)
 
     # Avoid hardcoding build paths in manpages (and improve readability)
     body = body.replace(os.path.expanduser("~").replace("-", "\\-"), "~")
 
-    # Add a credit section
-    body += textwrap.dedent(
+    return body
+
+
+def add_credit_section(body: str) -> str:
+    """
+    Add a credit section to the body of the man page.
+
+    Args:
+        body: The body of the man page.
+
+    Returns:
+        The body of the man page with the credit section added.
+    """
+    credit_section = textwrap.dedent(
         """
         .SH AUTHORS
         .IR pipx (1)
@@ -34,9 +57,37 @@ def main():
         """
     )
 
+    return body + credit_section
+
+
+def write_manpage(body: str) -> NoReturn:
+    """
+    Write the man page to a file named `pipx.1`.
+
+    Args:
+        body: The body of the man page.
+    """
     with open("pipx.1", "w") as f:
         f.write(body)
 
 
+def main() -> NoReturn:
+    """Generate and write the man page for pipx command line tool.
+
+    This function generates the man page for the pipx command line tool using the `Manpage` class from `build_manpages` module.
+    It adds a credit section and writes the generated man page to a file named `pipx.1`.
+
+    Raises:
+        FileNotFoundError: If the file `pipx.1` cannot be found.
+
+    Examples:
+        >>> main()
+    """
+    parser = get_command_parser()
+    body = get_manpage_body(parser)
+    body_with_credit = add_credit_section(body)
+    write_manpage(body_with_credit)
+
+
 if __name__ == "__main__":
     main()