fix label ("active on IRC" instead of "IRC client running")

image.c

@@ -80,7 +80,7 @@ int create_image(struct data* data, const char *filename, struct event* events,
 	imlib_context_set_color(255, 0, 130, 255);
 	imlib_image_fill_rectangle(xgraph, 10, 15, 15);
 	imlib_context_set_color(255, 255, 255, 255);
-	imlib_text_draw(xgraph + 20, 8, "IRC client running");
+	imlib_text_draw(xgraph + 20, 8, "Active on IRC");
 
 	imlib_context_set_color(50, 50, 50, 255);
 	imlib_image_fill_rectangle(xgraph, 35, 15, 15);

main.c

@@ -115,7 +115,7 @@ static void usage(const char* progname, int is_help)
 	if (is_help)
 	{
 		fprintf(f, "\nThis program parses irssi logs and generate a graph to display\n");
-		fprintf(f, "when you are idling on IRC.\n");
+		fprintf(f, "when you are active on IRC.\n");
 		fprintf(f, "You can set your nickname(s), and add events which are added on\n");
 		fprintf(f, "graph correlate your IRC (in)activity with your own life.\n");
 		fprintf(f, "\nOptions:\n");