1 files changed, 1 insertions, 1 deletions
diff --git a/Source.h b/Source.h
index 295a65b..547fd0e 100644
--- a/Source.h
+++ b/Source.h
@@ -8,5 +8,5 @@
 struct Source
 {
     virtual ~Source() = default;
-    virtual std::vector<Killmail> all() const = 0;
+    virtual std::vector<Killmail> all() const = 0;  // maybe an immutable view instead of a copy?
 };