--- libquadmath/libquadmath.texi.jj	2013-01-04 13:44:36.000000000 +0100
+++ libquadmath/libquadmath.texi	2013-01-22 09:21:19.781406575 +0100
@@ -6,7 +6,7 @@
 @c %**end of header
 
 @copying
-Copyright @copyright{} 2010, 2011 Free Software Foundation, Inc.
+Copyright @copyright{} 2010-2013 Free Software Foundation, Inc.
 
 @quotation
 Permission is granted to copy, distribute and/or modify this document
@@ -123,8 +123,8 @@ The following mathematical constants of
 @item @code{M_LN2q}: natural logarithm of 2
 @item @code{M_LN10q}: natural logarithm of 10
 @item @code{M_PIq}: pi
-@item @code{M_PI_2q}: two pi
-@item @code{M_PI_4q}: four pi
+@item @code{M_PI_2q}: pi divided by two
+@item @code{M_PI_4q}: pi divided by four
 @item @code{M_1_PIq}: one over pi
 @item @code{M_2_PIq}: one over two pi
 @item @code{M_2_SQRTPIq}: two over square root of pi