doc: improve usage string in MyFirstContribution

diff --git a/sh-i18n--envsubst.c b/sh-i18n--envsubst.c
index 09c6b445b9631202c69d2a1804a757148b43beb0..cecfdd36c7e696dce6188aea3398fbe8857d798b 100644 (file)
--- a/sh-i18n--envsubst.c
+++ b/sh-i18n--envsubst.c
@@ -14,6 +14,7 @@
  */
 
 #include "git-compat-util.h"
+#include "trace2.h"
 
 /* Substitution of environment variables in shell format strings.
    Copyright (C) 2003-2007 Free Software Foundation, Inc.
@@ -67,6 +68,8 @@ cmd_main (int argc, const char *argv[])
   /* Default values for command line options.  */
   /* unsigned short int show_variables = 0; */
 
+  trace2_cmd_name("sh-i18n--envsubst");
+
   switch (argc)
        {
        case 1: