Tweak wording re constant variables

* doc/lispref/objects.texi (Constants and Mutability): Tweak.
Problem reported by Michael Heerdegen (Bug#40693#44).

diff --git a/doc/lispref/objects.texi b/doc/lispref/objects.texi
index b45eb7ad8a49a3a01a77e39ddb872128577e61c4..abd258eb537fdcca543985e4a5ca095ec28f44a7 100644 (file)
--- a/doc/lispref/objects.texi
+++ b/doc/lispref/objects.texi
@@ -2400,7 +2400,8 @@ literal @code{"aaa"} yields a constant string, whereas the function
 call @code{(make-string 3 ?a)} yields a mutable string that can be
 changed via later calls to @code{aset}.
 
-  Modifying a constant symbol signals an error (@pxref{Constant Variables}).
+  Trying to modify a constant variable signals an error
+(@pxref{Constant Variables}).
 A program should not attempt to modify other types of constants because the
 resulting behavior is undefined: the Lisp interpreter might or might
 not detect the error, and if it does not detect the error the