updated for version 7.3.171
Problem:    When the clipboard isn't supported: ":yank*" gives a confusing
            error message.
Solution:   Specifically mention that the register name is invalid.
            (Jean-Rene David)
diff --git a/runtime/doc/change.txt b/runtime/doc/change.txt
index fe518d1..6e53111 100644
--- a/runtime/doc/change.txt
+++ b/runtime/doc/change.txt
@@ -917,8 +917,10 @@
 {Visual}["x]Y		Yank the highlighted lines [into register x] (for
 			{Visual} see |Visual-mode|).  {not in Vi}
 
-							*:y* *:yank*
-:[range]y[ank] [x]	Yank [range] lines [into register x].
+							*:y* *:yank* *E850*
+:[range]y[ank] [x]	Yank [range] lines [into register x]. Yanking to the
+			"* or "+ registers is possible only in GUI versions or
+			when the |+xterm_clipboard| feature is included.
 
 :[range]y[ank] [x] {count}
 			Yank {count} lines, starting with last line number