diff --git a/Library/tips.json b/Library/tips.json
index 13e6827c1e6c899edb2c2ead78b662ee81ca1fee..499c9a0d8079144a270ee39b170ad00fb4b1aeba 100644
--- a/Library/tips.json
+++ b/Library/tips.json
@@ -1,4 +1,5 @@
 {"tips":[
+"A triangle's centroid, circumcenter, and orthocenter are collinear.",
 "The Heat Kernel Signature is scale-sensitive.",
 "You can download the DidYouKnow Plugin at <a href=\"https://graphics.rwth-aachen.de:9000/born/Plugin-DidYouKnow\">https://graphics.rwth-aachen.de:9000/born/Plugin-DidYouKnow</a>.",
 "A matrix which has more columns than rows has no left inverse.",