diff --git a/spaces/S000196/properties/P000008.md b/spaces/S000196/properties/P000008.md
index fd823ab09e..6ac58e1d28 100644
--- a/spaces/S000196/properties/P000008.md
+++ b/spaces/S000196/properties/P000008.md
@@ -2,6 +2,9 @@
 space: S000196
 property: P000008
 value: true
+refs:
+    mathse: 5017774
+    name: Why is the "long circle" completely normal ($T_5$)?
 ---
 
-Every proper subspace is {P154} and thus {P7}.
+Shown at {{mathse:5017774}}.