diff --git a/SVE_README.txt b/SVE_README.txt
index 7462e3e6..3286db84 100644
--- a/SVE_README.txt
+++ b/SVE_README.txt
@@ -5,16 +5,17 @@ gcc 10.0.1 VLA
 
 armclang 20.0 VLA
 
-../configure --with-lime=/home/men04359/lime/c-lime --without-hdf5 --enable-gen-simd-width=64 --enable-simd=GEN --enable-precision=double --enable-comms=none --enable-openmp CXX=armclang++ CC=armclang CXXFLAGS="-std=c++11 -fno-unroll-loops -mllvm -vectorizer-min-trip-count=2 -march=armv8-a+sve -DHOTFIX -DA64FX -DA64FXASM -DDSLASHINTRIN" LDFLAGS=-static GRID_LDFLAGS=-static MPI_CXXLDFLAGS=-static
+../configure --with-lime=/home/men04359/lime/c-lime --without-hdf5 --enable-gen-simd-width=64 --enable-simd=GEN --enable-precision=double --enable-comms=none --enable-openmp CXX=armclang++ CC=armclang CXXFLAGS="-std=c++11 -fno-unroll-loops -mllvm -vectorizer-min-trip-count=2 -march=armv8-a+sve -DARMCLANGCOMPAT -DA64FX -DA64FXASM -DDSLASHINTRIN" LDFLAGS=-static GRID_LDFLAGS=-static MPI_CXXLDFLAGS=-static
 
-must use armclang 20.0 with HOTFIX applied, otherwise Benchmark_wilson gives wrong result
+must use armclang 20.0 with ARMCLANGCOMPAT applied, otherwise Benchmark_wilson gives wrong result
 
 
 armclang 20.1 VLA
 
 ../configure --with-lime=/home/men04359/lime/c-lime --without-hdf5 --enable-gen-simd-width=64 --enable-simd=GEN --enable-precision=double --enable-comms=none --enable-openmp CXX=armclang++ CC=armclang CXXFLAGS="-std=c++11 -mcpu=a64fx -DA64FX -DA64FXASM -DDSLASHINTRIN" LDFLAGS=-static GRID_LDFLAGS=-static MPI_CXXLDFLAGS=-static
 
-HOTFIX unknown
+must use armclang 20.1 with ARMCLANGCOMPAT applied, otherwise Benchmark_wilson gives wrong result
+Test_simd build error caused by -mcpu=a64fx ?