Bug #1536660: separate two words.
diff --git a/Doc/ref/ref2.tex b/Doc/ref/ref2.tex
index 2ed8a5d..bad4609 100644
--- a/Doc/ref/ref2.tex
+++ b/Doc/ref/ref2.tex
@@ -56,7 +56,7 @@
A physical line is a sequence of characters terminated by an end-of-line
sequence. In source files, any of the standard platform line
-termination sequences can be used - the \UNIX form using \ASCII{} LF
+termination sequences can be used - the \UNIX{} form using \ASCII{} LF
(linefeed), the Windows form using the \ASCII{} sequence CR LF (return
followed by linefeed), or the Macintosh form using the \ASCII{} CR
(return) character. All of these forms can be used equally, regardless