diff --git a/backend/internal/latest/poller.go b/backend/internal/latest/poller.go
index 3bb3f35..10a7d70 100644
--- a/backend/internal/latest/poller.go
+++ b/backend/internal/latest/poller.go
@@ -143,7 +143,6 @@ func (p *Poller) prefetchCover(ctx context.Context, sr store.Series) {
 // fill-only write for an ordinary pass, a write-through for a forced one
 // (issue #135). Every failure is logged against the Series and swallowed so
 // the chapter poll cannot see it.
-
 func (p *Poller) storeCover(ctx context.Context, sr store.Series, sourceURL string) {
 	bytes, contentType, err := fetchCoverBytes(ctx, sourceURL, p.CoverFetch, p.CoverBytesFetch)
 	if err != nil {
@@ -157,9 +156,10 @@ func (p *Poller) storeCover(ctx context.Context, sr store.Series, sourceURL stri
 		return
 	}
 	// The forced write replaces whether or not a Cover exists, and the row
-	// then tells three outcomes apart: a blank filled, identical artwork
-	// re-served — an honest no-op — or a replacement that strands previous,
-	// which the next wave reclaims at this exact call site.
+	// then tells the three outcomes apart: a blank filled, identical artwork
+	// re-served — an honest no-op — or a replacement whose previous address
+	// is stranded: its bytes stay served under the covers table (ADR-0014),
+	// the row just no longer points at them.
 	previous, current, err := p.Store.ReplaceSeriesCover(sr.Site, sr.SeriesID, sourceURL, bytes, contentType)
 	if err != nil {
 		log.Printf("latest poll %q: persist cover: %v", sr.Key(), err)