diff --git a/map_machine/__init__.py b/map_machine/__init__.py
index d55351f..450f8ec 100644
--- a/map_machine/__init__.py
+++ b/map_machine/__init__.py
@@ -1,6 +1,4 @@
-"""
-Map Machine project: simple Python map renderer for OpenStreetMap and icon set.
-"""
+"""Map Machine: Python map renderer for OpenStreetMap with custom icon set."""
 
 __project__ = "Map Machine"
 __description__ = (
diff --git a/map_machine/element/__init__.py b/map_machine/element/__init__.py
index e69de29..c0328f2 100644
--- a/map_machine/element/__init__.py
+++ b/map_machine/element/__init__.py
@@ -0,0 +1 @@
+"""Drawing of separate map elements."""
diff --git a/map_machine/osm/__init__.py b/map_machine/osm/__init__.py
index 31178c7..100c9b9 100644
--- a/map_machine/osm/__init__.py
+++ b/map_machine/osm/__init__.py
@@ -1,3 +1 @@
-"""
-OpenStreetMap-specific things.
-"""
+"""OpenStreetMap-specific things."""
diff --git a/map_machine/slippy/__init__.py b/map_machine/slippy/__init__.py
index 80830f0..70bbe57 100644
--- a/map_machine/slippy/__init__.py
+++ b/map_machine/slippy/__init__.py
@@ -1,3 +1 @@
-"""
-Tiles generation for slippy maps.
-"""
+"""Tiles generation for slippy maps."""
diff --git a/map_machine/ui/__init__.py b/map_machine/ui/__init__.py
index ef42fdf..650c7e0 100644
--- a/map_machine/ui/__init__.py
+++ b/map_machine/ui/__init__.py
@@ -1,3 +1 @@
-"""
-User interface.
-"""
+"""User interface."""