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-rw-r--r--man/ubxtool.xml6
1 files changed, 3 insertions, 3 deletions
diff --git a/man/ubxtool.xml b/man/ubxtool.xml
index a23e6c08..fa69e9aa 100644
--- a/man/ubxtool.xml
+++ b/man/ubxtool.xml
@@ -72,9 +72,9 @@ running gpsd instance.</para>
<varlistentry>
<term>-c COMMAND</term>
<listitem>
- <para>Send a text string to the GPS. Accepts one parameter, COMMAND,
-the command string to send to the GPS. The string is sent verbatim, except
-a newline is appended.
+ <para>Send a command to the GPS. Accepts one parameter, COMMAND,
+a comma-separated list of hexadecimal bytes specifying the class, the ID,
+and any needed payload. The header, length, and checksum are added automatically.
</para>
</listitem>
</varlistentry>