diff --git a/setup/install.py b/setup/install.py
index 381ce2dcef..e1a1190ff9 100644
--- a/setup/install.py
+++ b/setup/install.py
@@ -12,7 +12,7 @@ from setup import Command, islinux, isfreebsd, basenames, modules, functions, \
         __appname__, __version__
 
 HEADER = '''\
-#!/usr/bin/env python
+#!/usr/bin/env python2
 
 """
 This is the standard runscript for all of calibre's tools.
diff --git a/src/calibre/ebooks/metadata/sources/base.py b/src/calibre/ebooks/metadata/sources/base.py
index 3ad9822b9c..e2924324c3 100644
--- a/src/calibre/ebooks/metadata/sources/base.py
+++ b/src/calibre/ebooks/metadata/sources/base.py
@@ -95,7 +95,7 @@ class Source(Plugin):
 
     supported_platforms = ['windows', 'osx', 'linux']
 
-    #: Set of capabilites supported by this plugin.
+    #: Set of capabilities supported by this plugin.
     #: Useful capabilities are: 'identify', 'cover'
     capabilities = frozenset()