Update metadata.txt

Author: Scriptbash

plugin_exporter/metadata.txt

@@ -5,7 +5,7 @@
 [general]
 name=Plugin Exporter
 qgisMinimumVersion=3.20
-description=Exports plugins
+description=A QGIS plugin for exporting plugins
 version=0.1.0
 author=Francis Lapointe
 email=francis.lapointe5@usherbrooke.ca