diff --git a/README.org b/README.org
index 4b0860f..7ece857 100644
--- a/README.org
+++ b/README.org
@@ -8,6 +8,7 @@
 
 * TODO Arena Allocator Requirements
   - [ ] Sub arenas
+  - [x] Arena infinite growth (not contiguos)
   - [ ] contiguos memory spaces for dynamic arrays that grow larger than the arena size
 ** Optional
    - [ ] free lists to reuse abandoned chunks of memory arenas