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-rw-r--r--doc/lispref/frames.texi2
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/lispref/frames.texi b/doc/lispref/frames.texi
index 125d6071cab..1bd4cf4854b 100644
--- a/doc/lispref/frames.texi
+++ b/doc/lispref/frames.texi
@@ -488,7 +488,7 @@ frame. @code{title} and @code{name} are meaningful on all terminals.
@item display
The display on which to open this frame. It should be a string of the
form @code{"@var{host}:@var{dpy}.@var{screen}"}, just like the
-@code{DISPLAY} environment variable.
+@env{DISPLAY} environment variable.
@vindex display-type, a frame parameter
@item display-type