diff --git a/doc/ref/r6rs.texi b/doc/ref/r6rs.texi
index a680f51c2..941764150 100644
--- a/doc/ref/r6rs.texi
+++ b/doc/ref/r6rs.texi
@@ -36,6 +36,12 @@ Multiple @code{library} forms in one file are not yet supported.  This
 is because the expansion of @code{library} sets the current module, but
 does not restore it.  This is a bug.
 
+@item
+R6RS unicode escapes within strings are disabled by default, because
+they conflict with Guile's already-existing escapes. R6RS behavior can
+be turned on via a reader option. @xref{String Syntax}, for more
+information.
+
 @item
 A @code{set!} to a variable transformer may only expand to an 
 expression, not a definition---even if the original @code{set!}