Minor change to an index entry.

diff --git a/Doc/ref/ref2.tex b/Doc/ref/ref2.tex
index 1956e02d54d23b033fc90ce2596dac9952a106f7..726aa212bbd31aaa3266416e5dfc6fdf5f8f91f1 100644 (file)
--- a/Doc/ref/ref2.tex
+++ b/Doc/ref/ref2.tex
@@ -456,7 +456,7 @@ number and an imaginary number).
 \index{octal literal}
 \index{decimal literal}
 \index{imaginary literal}
-\index{complex literal}
+\index{complex!literal}
 
 Note that numeric literals do not include a sign; a phrase like
 \code{-1} is actually an expression composed of the unary operator