diff --git a/README.md b/README.md
index 93999d8..9fe4130 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,3 @@
-# Steam-Card-Exchange-Add-Set-Worth-Column
\ No newline at end of file
+# Steam-Card-Exchange-Add-Set-Worth-Column
+
+Note that this has become quite slow as there are now over 12,000 games with trading cards.