diff --git a/README.md b/README.md
index d30a39d..f854937 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,7 @@
 # SIMTight
 
 SIMTight is a fully synthesisable GPGPU implementing the _Single
-Instruction Multiple Threads (SIMT)_ model popularised by NVIDIA GPUs,
-featuring:
+Instruction Multiple Threads (SIMT)_ model, featuring:
 
   * RISC-V instruction set (RV32IMAxCHERI) 
   * Low-area design with high IPC on classic GPGPU workloads
diff --git a/pebbles b/pebbles
index a64c5e9..59b23e3 160000
--- a/pebbles
+++ b/pebbles
@@ -1 +1 @@
-Subproject commit a64c5e944c457c637c021c50d9fd96fd30186822
+Subproject commit 59b23e3add1e2bb0499b2f09394a5a848cbf2ae3