diff --git a/internal/ostree/ostree.go b/internal/ostree/ostree.go
index b5dfe05e3..a5bafe930 100644
--- a/internal/ostree/ostree.go
+++ b/internal/ostree/ostree.go
@@ -18,7 +18,8 @@ type RequestParams struct {
 	Parent string `json:"parent"`
 }
 
-// CommitSource defines the source URL from which to fetch a specific commit.
+// CommitSource defines the source URL from which to fetch a specific commit
+// identified by its checksum.
 type CommitSource struct {
 	Checksum string
 	URL      string