From 1177282676950f309a3f8c3168419d6365ad3286 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=A9=8D=E4=B8=B9=E5=B0=BC=20Dan=20Jacobson?=
 <jidanni@jidanni.org>
Date: Tue, 25 Jul 2023 11:41:40 -0500
Subject: [PATCH] Update gmtconvert.rst (#7675)

Save users hours of head scratching!
---
 doc/rst/source/gmtconvert.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/rst/source/gmtconvert.rst b/doc/rst/source/gmtconvert.rst
index d04a896f338..e629020595f 100644
--- a/doc/rst/source/gmtconvert.rst
+++ b/doc/rst/source/gmtconvert.rst
@@ -302,7 +302,7 @@ columns 4-6 and write ASCII with the command::
     gmt convert results.b -o8,4-6 -bi9s | gmt plot ...
 
 You want to plot the 2nd column of a 2-column file left.txt versus the
-first column of a file right.txt::
+first column of a file right.txt (i.e., 1 of 0,1 and 2 of 2,3)::
 
     gmt convert left.txt right.txt -A -o1,2 | gmt plot ...