Better description

snap/snapcraft.yaml

@@ -1,9 +1,16 @@
 name: cqrcode # you probably want to 'snapcraft register <name>'
 base: core24 # the base snap is the execution environment for this snap
-version: '1.1' # just for humans, typically '1.2+git' or '1.3.2'
+version: '1.1+multi' # just for humans, typically '1.2+git' or '1.3.2'
 summary: Create QR codes flying Canonical colors. # 79 char long summary
 description: |
-  TODO
+  cqrcode.create --help
+  Usage: main.py [OPTIONS] URL
+
+  Options:
+  --output_file TEXT  Output file path (defaults to "./qrcode.png")
+  --logo_path TEXT    Path to the logo to embed (defaults to the Canonical
+  one)
+  --help              Show this message and exit.
 
 grade: stable # must be 'stable' to release into candidate/stable channels
 confinement: strict # use 'strict' once you have the right plugs and slots