fix name in main file

Signed-off-by: Zen <[email protected]>

Author: desultory

src/prometheus_exporter/main.py

@@ -10,7 +10,7 @@
 
 
 def main():
-    argparser = ArgumentParser(prog='json_exporter', description='JSON Exporter for Prometheus')
+    argparser = ArgumentParser(prog='prometheus_exporter', description='Metric Exporter for Prometheus')
 
     argparser.add_argument('-d', '--debug', action='store_true', help='Debug mode.')
     argparser.add_argument('-dd', '--verbose', action='store_true', help='Verbose debug mode.')