* src/buffer.c (syms_of_buffer): Doc fix (Bug#6902).

[bpt/emacs.git] / src / buffer.c

diff --git a/src/buffer.c b/src/buffer.c
index e7759cb..076495c 100644 (file)
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -5746,7 +5746,8 @@ Linefeed indents to this column in Fundamental mode.  */);
 
   DEFVAR_PER_BUFFER ("tab-width", &current_buffer->tab_width,
                     make_number (LISP_INT_TAG),
-                    doc: /* *Distance between tab stops (for display of tab characters), in columns.  */);
+                    doc: /* *Distance between tab stops (for display of tab characters), in columns.
+This should be an integer greater than zero.  */);
 
   DEFVAR_PER_BUFFER ("ctl-arrow", &current_buffer->ctl_arrow, Qnil,
                     doc: /* *Non-nil means display control chars with uparrow.