diff --git a/lib/process_shared/shared_memory.rb b/lib/process_shared/shared_memory.rb
index 9830e93..a9528e5 100644
--- a/lib/process_shared/shared_memory.rb
+++ b/lib/process_shared/shared_memory.rb
@@ -3,7 +3,7 @@ require 'process_shared/libc'
 require 'process_shared/with_self'
 
 module ProcessShared
-  # Memory block shared across processes. TODO: finalizer that closes...
+  # Memory block shared across processes.
   class SharedMemory < FFI::Pointer
     include WithSelf