diff --git a/craft_providers/multipass/multipass.py b/craft_providers/multipass/multipass.py
index 691a9ba3..aa25825a 100644
--- a/craft_providers/multipass/multipass.py
+++ b/craft_providers/multipass/multipass.py
@@ -164,6 +164,9 @@ def is_supported_version(self) -> bool:
             try:
                 parsed_version = packaging.version.parse(version)
             except packaging.version.InvalidVersion:
+                # This catches versions such as: 1.15.0-dev.2929.pr661, which are
+                # compliant, but not pep440 compliant. We can lob off sections until
+                # we get a pep440 cempliant version.
                 version = version.rpartition(".")[0]
 
         return parsed_version >= minimum_version