[doc] fald-simple-acq.c: improve help string about internal channel source

The channel index is zero-based, so the first channel is "channel 0". The help string was ambiguous. Signed-off-by: Federico Vaga <federico.vaga@gmail.com>

[doc] fald-simple-acq.c: improve help string about internal channel source
The channel index is zero-based, so the first channel is "channel 0". The help string was ambiguous. Signed-off-by: Federico Vaga <federico.vaga@gmail.com>
7ae2ba9b · Federico Vaga · b1a548d3 · 7ae2ba9b
Commit 7ae2ba9b authored Mar 22, 2013 by Federico Vaga
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fald-simple-acq.c libtools/fald-simple-acq.c +1 -1

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--- a/libtools/fald-simple-acq.c
+++ b/libtools/fald-simple-acq.c
@@ -28,7 +28,7 @@ static void fald_help()
 	printf("  --delay|-d <value>: set the ticks delay of the trigger\n");
 	printf("  --threshold|-t <value>: set internal trigger threshold\n");
 	printf("  --channel|-c <value>: select the internal channel as "
-	       "trigger\n");
+	       "trigger (0-based index)\n");
 	printf("  --external: set to external trigger. The default is the "
 	       "internal trigger.\n");
 	printf("  --negative-edge: set internal trigger polarity to negative "