diff --git a/rbackup/config.py b/rbackup/config.py
index 535a141..d6c4be6 100644
--- a/rbackup/config.py
+++ b/rbackup/config.py
@@ -43,8 +43,6 @@ def merge_files(files):
     """Parse, filter, and sort through config files to create a single
     --files-from argument.
 
-        Any files included that do not exist send a warning to the log.
-
     >>> merge_files(get_files_by_suffix('-include.conf')) # doctest: +ELLIPSIS
     PosixPath('/tmp/...')
 
diff --git a/rbackup/struct/hierarchy.py b/rbackup/struct/hierarchy.py
index 4bc700d..ef40be1 100644
--- a/rbackup/struct/hierarchy.py
+++ b/rbackup/struct/hierarchy.py
@@ -19,13 +19,17 @@ METADATA_WRITE = "w"
 
 # ========== Classes ==========
 class Hierarchy(PathLike):
-    """A class for organizing the backup root hierarchy.
+    """A general class for organizing a hierarchy of data.
 
-    Upon creation of a Hierarchy object, it is up to the caller
-    to call either :func:`shutil.mkdir` or a related method to create
+    Hierarchy objects are non-intrusive in that they do not affect
+    the filesystem upon creation. It is up to the caller
+    to call either :func:`shutil.mkdir` or related method to create
     the directory structure it emulates.
 
-    For consistency, ``Hierarchy`` objects always store and return absolute paths.
+    Implementation Details
+
+    * For consistency, ``Hierarchy`` objects always store and return absolute paths
+    * Data for all ``Hierarchy`` objects and subclassed objects use JSON for serialization
     """
 
     def __init__(self, dest):
@@ -89,7 +93,7 @@ class Hierarchy(PathLike):
     def write_metadata(self, attr):
         """Write this repository's metadata to its metadata file.
 
-            .. note:: This write operation is atomic to the caller.
+        .. note:: This write operation is atomic to the caller.
 
         :param attr: class data to write to file
         :type attr: any type
diff --git a/rbackup/struct/repository.py b/rbackup/struct/repository.py
index caab64b..314d636 100644
--- a/rbackup/struct/repository.py
+++ b/rbackup/struct/repository.py
@@ -2,6 +2,16 @@
 .. moduleauthor:: Eric Torres
 .. module:: rbackup.struct.repository
     :synopsis: Classes for structuring a backup repository.
+
+A repository is a directory that contains backup data
+sequestered into snapshots and a symlink to the most
+recently created snapshot.
+
+Properties
+
+* Each snapshot in a repository is unaware of one another,
+    this is the job of the repository to organize
+* Has a symlink pointing to the most recently created snapshot
 """
 import datetime
 import logging
@@ -26,17 +36,6 @@ VALID_SNAPSHOT_NAME = r"[\w._+-]+[^/]*"
 class Repository(Hierarchy):
     """A class for interacting with a backup repository.
 
-    Repository is a mutable, stateful class for representing a
-    directory that contains backup data sequestered into snapshots
-    and a symlink to the most recently created snapshot.
-
-    Properties
-
-    * Each snapshot in a repository is unaware of one another,
-      this is the job of the repository to organize
-    * The only way snapshots are linked together is in files
-      that are hard-linked together
-
     Snapshots can be accessed on a one-by-one basis through iteration.
 
     ::
@@ -71,6 +70,7 @@ class Repository(Hierarchy):
         >>> len(Repository('backup'))
         1
     """
+
     """Snapshots are serialized as their names relative to the repository
     data directory, but have their full paths during runtime.
 
diff --git a/rbackup/struct/snapshot.py b/rbackup/struct/snapshot.py
index 339e183..48981c7 100644
--- a/rbackup/struct/snapshot.py
+++ b/rbackup/struct/snapshot.py
@@ -1,7 +1,7 @@
 """
 .. moduleauthor:: Eric Torres
 .. module:: rbackup.struct.snapshot
-    :synopsis: Classes for creating the backup hierarchy.
+    :synopsis: Class for creating the backup snapshot hierarchy.
 """
 import logging