diff --git a/lesscpy/lessc/formatter.py b/lesscpy/lessc/formatter.py
index ba74d5e..07f6444 100644
--- a/lesscpy/lessc/formatter.py
+++ b/lesscpy/lessc/formatter.py
@@ -1,9 +1,11 @@
+# -*- coding: utf8 -*-
 """
-    CSS Formatter class.
+.. module:: lesscpy.lessc.formatter
+    :synopsis: CSS Formatter class.
     
     Copyright (c)
     See LICENSE for details.
-    <jtm@robot.is>
+.. moduleauthor:: Jóhann T. Maríusson <jtm@robot.is>
 """
 class Formatter(object):
     def __init__(self, args):
diff --git a/lesscpy/plib/__init__.py b/lesscpy/plib/__init__.py
index 813d639..647676b 100644
--- a/lesscpy/plib/__init__.py
+++ b/lesscpy/plib/__init__.py
@@ -1,3 +1,12 @@
+# -*- coding: utf8 -*-
+"""
+.. module:: lesscpy.plib
+    :synopsis: Parse Nodes for Lesscpy
+    
+    Copyright (c)
+    See LICENSE for details.
+.. moduleauthor:: Jóhann T. Maríusson <jtm@robot.is>
+"""
 __all__ = [
    'Block', 
    'Call', 
diff --git a/lesscpy/plib/deferred.py b/lesscpy/plib/deferred.py
index d1dd8f7..cf381d1 100644
--- a/lesscpy/plib/deferred.py
+++ b/lesscpy/plib/deferred.py
@@ -1,21 +1,41 @@
+# -*- coding: utf8 -*-
 """
+.. module:: lesscpy.plib.deferred
+    :synopsis: Deferred mixin call.
+    
+    Copyright (c)
+    See LICENSE for details.
+.. moduleauthor:: Jóhann T. Maríusson <jtm@robot.is>
 """
 from .node import Node
 
 class Deferred(Node):
     def __init__(self, mixin, args):
-        """
+        """This node represents mixin calls 
+        within the body of other mixins. The calls
+        to these mixins are deferred until the parent
+        mixin is called.
+        args:
+            mixin (Mixin): Mixin object
+            args (list): Call arguments
         """
         self.mixin = mixin
         self.args = args
     
     def parse(self, scope):
-        """
+        """ Parse function.
+        args:
+            scope (Scope): Scope object
+        returns:
+            mixed
         """
         if hasattr(self.mixin, 'call'):
             return self.mixin.call(scope, self.args)
         mixins = scope.mixins(self.mixin.raw())
         if not mixins: return mixins
-        for m in mixins:
-            res = m.call(scope, self.args)
-            if res: return res
+        for mixin in mixins:
+            res = mixin.call(scope, self.args)
+            if res: 
+                return res
+        return False
+    
diff --git a/lesscpy/plib/node.py b/lesscpy/plib/node.py
index cedbaea..1cfcc7c 100644
--- a/lesscpy/plib/node.py
+++ b/lesscpy/plib/node.py
@@ -1,17 +1,41 @@
+# -*- coding: utf8 -*-
 """
+.. module:: lesscpy.plib.node
+    :synopsis: Base Node
+    
+    Copyright (c)
+    See LICENSE for details.
+.. moduleauthor:: Jóhann T. Maríusson <jtm@robot.is>
 """
 from lesscpy.lessc import utility
+
 class Node(object):
-    def __init__(self, p, ln=0):
-        self.tokens = p
-        self.lineno = ln
+    def __init__(self, tokens, lineno=0):
+        """ Base Node
+        args:
+            tokens (list): tokenlist
+            lineno (int): Line number of node
+        """
+        self.tokens = tokens
+        self.lineno = lineno
         self.parsed = False
     
     def parse(self, scope):
+        """ Base parse function
+        args:
+            scope (Scope): Scope object
+        returns:
+            self
+        """
         return self
     
     def process(self, tokens, scope):
-        """
+        """ Process tokenslist, flattening and parsing it
+        args:
+            tokens (list): tokenlist
+            scope (Scope): Scope object
+        returns:
+            list
         """
         while True:
             tokens = list(utility.flatten(tokens))
@@ -29,7 +53,12 @@ class Node(object):
         return tokens
     
     def replace_variables(self, tokens, scope):
-        """
+        """ Replace variables in tokenlist
+        args:
+            tokens (list): tokenlist
+            scope (Scope): Scope object
+        returns:
+            list
         """
         return [scope.swap(t)
                 if utility.is_variable(t)
@@ -37,4 +66,10 @@ class Node(object):
                 for t in tokens]
 
     def fmt(self, fills):
+        """ Format node
+        args:
+            fills (dict): replacements
+        returns:
+            str
+        """
         raise ValueError('No defined format')
diff --git a/lesscpy/plib/variable.py b/lesscpy/plib/variable.py
index 49d1d39..d6e2417 100644
--- a/lesscpy/plib/variable.py
+++ b/lesscpy/plib/variable.py
@@ -1,9 +1,21 @@
+# -*- coding: utf8 -*-
 """
+.. module:: lesscpy.plib.variable
+    :synopsis: Variable declaration
+    
+    Copyright (c)
+    See LICENSE for details.
+.. moduleauthor:: Jóhann T. Maríusson <jtm@robot.is>
 """
 from .node import Node
+
 class Variable(Node):
     def parse(self, scope):
-        """
+        """ Parse function
+        args:
+            scope (Scope): Scope object
+        returns:
+            self
         """
         self.name = self.tokens.pop(0)
         self.value = self.tokens[1]