diff --git a/monkey/infection_monkey/utils/brute_force.py b/monkey/infection_monkey/utils/brute_force.py
index ff74d9712..192905aa8 100644
--- a/monkey/infection_monkey/utils/brute_force.py
+++ b/monkey/infection_monkey/utils/brute_force.py
@@ -5,6 +5,13 @@ from typing import Any, Iterable, Tuple
 def generate_identity_secret_pairs(
     identities: Iterable, secrets: Iterable
 ) -> Iterable[Tuple[Any, Any]]:
+    """
+    Generates all possible combinations of identities and secrets (e.g. usernames and passwords).
+    :param identities: An iterable containing identity components of a credential pair
+    :param secrets: An iterable containing secret components of a credential pair
+    :return: An iterable of all combinations of identity/secret pairs. If either identities or
+             secrets is empty, an empty iterator is returned.
+    """
     return product(identities, secrets)
 
 
@@ -15,8 +22,16 @@ def generate_username_password_or_ntlm_hash_combinations(
     nt_hashes: Iterable[str],
 ) -> Iterable[Tuple[str, str, str, str]]:
     """
-    Returns all combinations of the configurations users and passwords or lm/ntlm hashes
-    :return:
+    Generates all possible combinations of the following: username/password, username/lm_hash,
+    username/nt_hash.
+    :param usernames: An iterable containing usernames
+    :param passwords: An iterable containing passwords
+    :param lm_hashes: An iterable containing lm_hashes
+    :param nt_hashes: An iterable containing nt_hashes
+    :return: An iterable containing tuples of all possible credentials combinations. Note that each
+    tuple will contain a username and at most one secret component (i.e. password, lm_hash,
+    nt_hash). If usernames is empty, an empty iterator is returned. If all secret component
+    iterators are empty, an empty iterator is returned.
     """
     return chain(
         product(usernames, passwords, [""], [""]),