--- ../axiom-old/src/doc/book.pamphlet	2005-08-14 14:05:13.002428312 +0200
+++ src/doc/book.pamphlet	2006-03-29 18:41:59.040346128 +0200
@@ -62233,7 +62233,7 @@
 These commands return the state of the interactive
 environment to that immediately after step {\tt n}.
 If {\tt n} is a positive number, then {\tt n} refers to step nummber
-{\tt n}. If {\tt n} is a negative number, it refers to the \tt n-th
+{\tt n}. If {\tt n} is a negative number, it refers to the {\tt n}-th
 previous command (that is, undoes the effects of the last $-n$
 commands).