Add 💲icon to denote paid resources.

2024-03-11 13:44:29 +00:00 · 2024-03-11 13:44:29 +00:00 · a6ec3c434d
parent bb7a85f852
commit a6ec3c434d
1 changed files with 2 additions and 0 deletions
--- a/README.md
+++ b/README.md
@ -2,6 +2,8 @@

 A curated list of awesome mathematics resources.

+All resources are freely available except those with a 💲 icon.
+
 # Contents

 <!-- START_TOC -->