diff -r 3ecb5766ba15 Doc/distutils/apiref.rst
--- a/Doc/distutils/apiref.rst	Sat Sep 12 01:24:33 2015 +0000
+++ b/Doc/distutils/apiref.rst	Sat Sep 12 13:00:33 2015 +0900
@@ -521,7 +521,7 @@
 
    .. method:: CCompiler.library_option(lib)
 
-      Return the compiler option to add *dir* to the list of libraries linked into the
+      Return the compiler option to add *lib* to the list of libraries linked into the
       shared library or executable.
 
 
diff -r 3ecb5766ba15 Lib/distutils/ccompiler.py
--- a/Lib/distutils/ccompiler.py	Sat Sep 12 01:24:33 2015 +0000
+++ b/Lib/distutils/ccompiler.py	Sat Sep 12 13:00:33 2015 +0900
@@ -752,7 +752,7 @@
         raise NotImplementedError
 
     def library_option(self, lib):
-        """Return the compiler option to add 'dir' to the list of libraries
+        """Return the compiler option to add 'lib' to the list of libraries
         linked into the shared library or executable.
         """
         raise NotImplementedError