diff --git a/llvm_mode/README.snapshot.md b/llvm_mode/README.snapshot.md
index cae86a4a6e40bd8cbdd3e4722e7e5ee1cd2b7b59..9c12a8ba69bfddabba85732b73f75384ff64ef8d 100644
--- a/llvm_mode/README.snapshot.md
+++ b/llvm_mode/README.snapshot.md
@@ -10,3 +10,7 @@ To use the snapshot feature for fuzzing compile and load this kernel
 module: [https://github.com/AFLplusplus/AFL-Snapshot-LKM](https://github.com/AFLplusplus/AFL-Snapshot-LKM)
 
 Note that is has little value for persistent (__AFL_LOOP) fuzzing.
+
+## Notes
+
+Snapshot does not work with multithreaded targets yet. Still in WIP, it is now usable only for single threaded applications.