diff --git a/src/compiler/nir/nir_intrinsics.py b/src/compiler/nir/nir_intrinsics.py
index 048ad4b3a13..2b8bad4a5d1 100644
--- a/src/compiler/nir/nir_intrinsics.py
+++ b/src/compiler/nir/nir_intrinsics.py
@@ -1317,9 +1317,10 @@ store("tf_r600", [])
 intrinsic("optimization_barrier_vgpr_amd", dest_comp=0, src_comp=[0],
           flags=[CAN_ELIMINATE])
 
+# Untyped buffer load/store instructions of arbitrary length.
 # src[] = { descriptor, vector byte offset, scalar byte offset, index offset }
-# The index offset is multiplied by the stride in the descriptor. The vertex/scalar byte offsets
-# are in bytes.
+# The index offset is multiplied by the stride in the descriptor.
+# The vector/scalar offsets are in bytes, BASE is a constant byte offset.
 intrinsic("load_buffer_amd", src_comp=[4, 1, 1, 1], dest_comp=0, indices=[BASE, MEMORY_MODES, ACCESS], flags=[CAN_ELIMINATE])
 # src[] = { store value, descriptor, vector byte offset, scalar byte offset, index offset }
 intrinsic("store_buffer_amd", src_comp=[0, 4, 1, 1, 1], indices=[BASE, WRITE_MASK, MEMORY_MODES, ACCESS])