wording nit

diff --git a/toc.ftr b/toc.ftr
index 8169818473c141651376dfc92b01162430b2b18d..143d89005fe6c571ce9f5f2b43e0ca80725f87ec 100644 (file)
--- a/toc.ftr
+++ b/toc.ftr
@@ -1,7 +1,7 @@
 
 
 
-The source listing is preceded by a cross-reference listing every defined 
+The source listing is preceded by a cross-reference that lists every defined 
 constant, struct, global variable, and function in xv6.  Each entry gives,
 on the same line as the name, the line number (or, in a few cases, numbers)
 where the name is defined.  Successive lines in an entry list the line