diff --git a/manipulator/get.py b/manipulator/get.py
index ae9a5b1..8ed4c50 100644
--- a/manipulator/get.py
+++ b/manipulator/get.py
@@ -1,6 +1,13 @@
 from manipulator.query import treat_query
 
 def get(data, query):
+    """traverses data based on the query.
+
+     - params:
+       - data: the input to traverse
+       - query: the rules for traversal
+     - complexity: determined by the complexity of the query
+     - returns: the data found at the leaves of the traversal"""
     selectors = treat_query(query)
 
     for selector in selectors:
diff --git a/manipulator/update.py b/manipulator/update.py
index 6305ca1..1469cb0 100644
--- a/manipulator/update.py
+++ b/manipulator/update.py
@@ -3,6 +3,15 @@ import copy
 from manipulator.query import treat_query
 
 def update(inpt, query, fn, in_place=True):
+    """transforms data based on the query dynamically.
+
+     - params:
+       - data: the input to transform
+       - query: the rules for traversal
+       - fn: a transformation function for the leaves
+       - in_place: determines whether we should perform the transformations in place (True per default)
+     - complexity: determined by the complexity of the query
+     - returns: the transformed data"""
     if in_place:
         data = inpt
     else:
@@ -31,4 +40,13 @@ def update(inpt, query, fn, in_place=True):
 
 
 def set(inpt, query, val, in_place=True):
+    """transforms data based on the query statically.
+
+     - params:
+       - data: the input to transform
+       - query: the rules for traversal
+       - val: the value to which the leaves should be set
+       - in_place: determines whether we should perform the transformations in place (True per default)
+     - complexity: determined by the complexity of the query
+     - returns: the transformed data"""
     return update(inpt, query, lambda _: val, in_place)