diff -r 9c8d31d69044 Doc/reference/lexical_analysis.rst
--- a/Doc/reference/lexical_analysis.rst	Mon Jan 06 11:10:08 2014 -0800
+++ b/Doc/reference/lexical_analysis.rst	Mon Apr 14 13:23:46 2014 -0400
@@ -76,7 +76,7 @@
 Encoding declarations
 ---------------------
 
-.. index:: source character set, encodings
+.. index:: source character set, encoding declarations (source file)
 
 If a comment in the first or second line of the Python script matches the
 regular expression ``coding[=:]\s*([-\w.]+)``, this comment is processed as an