diff --git a/README.md b/README.md
index 28d6faf..7a58a1f 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,9 @@ File identification library for Python.
 Given a file (or some information about a file), return a set of standardized
 tags identifying what the file is.
 
+## Installation
+
+`pip install identify`
 
 ## Usage
 ### With a file on disk
diff --git a/identify/extensions.py b/identify/extensions.py
index 21d4681..578b4c1 100644
--- a/identify/extensions.py
+++ b/identify/extensions.py
@@ -4,6 +4,8 @@ from __future__ import unicode_literals
 
 
 EXTENSIONS = {
+    'adoc': {'text', 'asciidoc'},
+    'asciidoc': {'text', 'asciidoc'},
     'apinotes': {'text', 'apinotes'},
     'asar': {'binary', 'asar'},
     'bash': {'text', 'shell', 'bash'},
diff --git a/setup.cfg b/setup.cfg
index 30b7cef..805c4be 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = identify
-version = 1.4.13
+version = 1.4.14
 description = File identification library for Python
 long_description = file: README.md
 long_description_content_type = text/markdown