diff --git a/docs/source/config_reference/scripting/scripting_functions.rst b/docs/source/config_reference/scripting/scripting_functions.rst
index cc42c52c..61076fa7 100644
--- a/docs/source/config_reference/scripting/scripting_functions.rst
+++ b/docs/source/config_reference/scripting/scripting_functions.rst
@@ -660,6 +660,24 @@ contains_any
 :description:
     Returns true if any element in ``contains_array`` is in ``string``. False otherwise.
 
+join
+~~~~
+:spec: ``join(separator: String, array: Array) -> String``
+
+:description:
+    Join all elements in the array together as a string, and insert the
+    separator between them.
+
+:usage:
+
+.. code-block:: python
+
+   {
+     %join( ", ", ["item1", "item2"] )
+   }
+
+   # "item1, item2"
+
 lower
 ~~~~~
 :spec: ``lower(string: String) -> String``
@@ -710,6 +728,23 @@ string
 :description:
   Cast to String.
 
+strip
+~~~~~
+:spec: ``strip(string: String) -> String``
+
+:description:
+    Strip a string of all its whitespace at the beginning and end.
+
+:usage:
+
+.. code-block:: python
+
+   {
+     %trim(" delete the outer! ")
+   }
+
+   # "delete the outer!"
+
 titlecase
 ~~~~~~~~~
 :spec: ``titlecase(string: String) -> String``
diff --git a/src/ytdl_sub/script/functions/string_functions.py b/src/ytdl_sub/script/functions/string_functions.py
index 7e0e0eb5..43ff87a5 100644
--- a/src/ytdl_sub/script/functions/string_functions.py
+++ b/src/ytdl_sub/script/functions/string_functions.py
@@ -181,7 +181,8 @@ class StringFunctions:
     def join(separator: String, array: Array) -> String:
         """
         :description:
-            Join all elements in the array together as a string, and insert the separator between them.
+            Join all elements in the array together as a string, and insert the
+            separator between them.
 
         :usage:
 
@@ -212,4 +213,4 @@ class StringFunctions:
 
            # "delete the outer!"
         """
-        return String(string.value.strip())
\ No newline at end of file
+        return String(string.value.strip())
diff --git a/tests/unit/script/functions/test_string_functions.py b/tests/unit/script/functions/test_string_functions.py
index de0fd116..bc5bfc32 100644
--- a/tests/unit/script/functions/test_string_functions.py
+++ b/tests/unit/script/functions/test_string_functions.py
@@ -155,7 +155,11 @@ class TestNumericFunctions:
 
     @pytest.mark.parametrize(
         "value, expected_output",
-        [("['a', 'b', 'c']", 'a, b, c'), ("['nope', [], {}]", 'nope, [], {}'), ("['a', 1, 3.14, True]", 'a, 1, 3.14, true')],
+        [
+            ("['a', 'b', 'c']", "a, b, c"),
+            ("['nope', [], {}]", "nope, [], {}"),
+            ("['a', 1, 3.14, True]", "a, 1, 3.14, true"),
+        ],
     )
     def test_join(self, value, expected_output):
         output = single_variable_output(f"{{%join(', ', {value})}}")
@@ -163,8 +167,8 @@ class TestNumericFunctions:
 
     @pytest.mark.parametrize(
         "value, expected_output",
-        [(" delete outer ", 'delete outer'), (" delete me\n\n", 'delete me')],
+        [(" delete outer ", "delete outer"), (" delete me\n\n", "delete me")],
     )
     def test_strip(self, value, expected_output):
         output = single_variable_output(f"{{%strip('{value}')}}")
-        assert output == expected_output
\ No newline at end of file
+        assert output == expected_output