Update runtime files
diff --git a/runtime/doc/vimtutor.man b/runtime/doc/vimtutor.man
index 9f2350a..76f6471 100644
--- a/runtime/doc/vimtutor.man
+++ b/runtime/doc/vimtutor.man
@@ -1,4 +1,4 @@
-VIMTUTOR(1)                                                        VIMTUTOR(1)
+VIMTUTOR(1)                 General Commands Manual                VIMTUTOR(1)
 
 
 
@@ -38,7 +38,7 @@
        The  Vimtutor  was  originally  written for Vi by Michael C. Pierce and
        Robert K. Ware, Colorado  School  of  Mines  using  ideas  supplied  by
        Charles  Smith,  Colorado  State  University.  E-mail: bware@mines.col‐
-       orado.edu.
+       orado.edu (now invalid).
        It was modified for Vim by Bram Moolenaar.  For the names of the trans‐
        lators see the tutor files.