diff --git a/monitor/formatting.py b/monitor/formatting.py
index cd523ea..cae17f7 100644
--- a/monitor/formatting.py
+++ b/monitor/formatting.py
@@ -194,8 +194,8 @@ def format_pe_state(pe_snapshot: PESnapshot) -> str:
     # Tag store
     if pe_snapshot.tag_store:
         tag_str = ", ".join(
-            f"{colour(str(k), 'white')}: {colour(str(v), 'white')}"
-            for k, v in sorted(pe_snapshot.tag_store.items())
+            f"{colour(str(k), 'white')}: frame {colour(str(fid), 'white')} lane {colour(str(lane), 'white')}"
+            for k, (fid, lane) in sorted(pe_snapshot.tag_store.items())
         )
         lines.append(f"  Tag store: {{{tag_str}}}")
     else: