Update runtime files.
diff --git a/runtime/doc/indent.txt b/runtime/doc/indent.txt
index 54fb526..b1f44b7 100644
--- a/runtime/doc/indent.txt
+++ b/runtime/doc/indent.txt
@@ -978,6 +978,11 @@
        paste(x)                                      paste(x)
    }                                             }
 <
+The code will be indented after lines that match the pattern
+`'\(&\||\|+\|-\|\*\|/\|=\|\~\|%\|->\)\s*$'`. If you want indentation after
+lines that match a different pattern, you should set the appropriate value of
+`r_indent_op_pattern` in your |vimrc|.
+
 
 SHELL							*ft-sh-indent*