diff --git a/core/crypto/shake/shake.odin b/core/crypto/shake/shake.odin
index dc7eb3387..21f698db5 100644
--- a/core/crypto/shake/shake.odin
+++ b/core/crypto/shake/shake.odin
@@ -9,6 +9,9 @@ package shake
 
     Interface for the SHAKE hashing algorithm.
     The SHA3 functionality can be found in package sha3.
+
+    TODO: This should provide an incremental squeeze interface, in addition
+    to the one-shot final call.
 */
 
 import "core:io"