diff --git a/depinspect/helper.py b/depinspect/helper.py
index ab7e521..e24a1ce 100644
--- a/depinspect/helper.py
+++ b/depinspect/helper.py
@@ -11,9 +11,27 @@ class Archs(Enum):
 
 
 def is_valid_package_name(package_name: str) -> bool:
+    """
+    Check if a given string is a valid package name.
+
+    Parameters:
+    - package_name (str): The string to be checked.
+
+    Returns:
+    bool: True if the string is a valid package name, False otherwise.
+    """
     valid_pattern = fullmatch(r"([a-zA-Z0-9][a-zA-Z0-9+-.]{1,})", package_name)
     return bool(valid_pattern)
 
 
 def is_valid_architecture_name(architecture_name: str) -> bool:
+    """
+    Check if a given string is a valid architecture name.
+
+    Parameters:
+    - architecture_name (str): The string to be checked.
+
+    Returns:
+    bool: True if the string is a valid architecture name, False otherwise.
+    """
     return any(architecture_name == arch.value for arch in Archs)