Added ":earlier 1f" and ":later 1f".
diff --git a/runtime/doc/usr_02.txt b/runtime/doc/usr_02.txt
index 2e49781..6cd4b4f 100644
--- a/runtime/doc/usr_02.txt
+++ b/runtime/doc/usr_02.txt
@@ -302,7 +302,7 @@
The "U" command is a change by itself, which the "u" command undoes and CTRL-R
redoes. This might be a bit confusing. Don't worry, with "u" and CTRL-R you
-can go to any of the situations you had. More about that in section |32.1|.
+can go to any of the situations you had. More about that in section |32.2|.
==============================================================================
*02.6* Other editing commands