diff --git a/support/Release notes.txt b/support/Release notes.txt
index 655f592b..add159d2 100644
--- a/support/Release notes.txt	
+++ b/support/Release notes.txt	
@@ -14,7 +14,7 @@ Added maths algorithms and functors.
   etl::mean
   etl::invert
   etl::threshold
-  etl::quantatization
+  etl::quantize
   etl::limiter
   etl::rescale
   etl::rms
diff --git a/test/test_quantatize.cpp b/test/test_quantize.cpp
similarity index 93%
rename from test/test_quantatize.cpp
rename to test/test_quantize.cpp
index cd075c3d..2d83bb00 100644
--- a/test/test_quantatize.cpp
+++ b/test/test_quantize.cpp
@@ -101,9 +101,9 @@ namespace
     //*************************************************************************
     TEST(test_int_quantatise)
     {
-      IntQuantatise quantatise(thresholds1.data(), quantatisations1.data(), quantatisations1.size());
+      IntQuantatise quantize (thresholds1.data(), quantatisations1.data(), quantatisations1.size());
 
-      std::transform(input1.begin(), input1.end(), output1.begin(), quantatise);
+      std::transform(input1.begin(), input1.end(), output1.begin(), quantize );
 
       bool isEqual = std::equal(output1.begin(), output1.end(), result1a.begin());
       CHECK(isEqual);
@@ -112,9 +112,9 @@ namespace
     //*************************************************************************
     TEST(test_double_quantatise)
     {
-      DoubleQuantatise quantatise(thresholds2.data(), quantatisations2.data(), quantatisations2.size());
+      DoubleQuantatise quantize (thresholds2.data(), quantatisations2.data(), quantatisations2.size());
 
-      std::transform(input2.begin(), input2.end(), output2.begin(), quantatise);
+      std::transform(input2.begin(), input2.end(), output2.begin(), quantize );
 
       bool isEqual = std::equal(output2.begin(), output2.end(), result2a.begin(), Compare());
       CHECK(isEqual);
diff --git a/test/vs2019/etl.vcxproj b/test/vs2019/etl.vcxproj
index 86297d95..b425bbd5 100644
--- a/test/vs2019/etl.vcxproj
+++ b/test/vs2019/etl.vcxproj
@@ -4597,7 +4597,7 @@
     <ClCompile Include="..\test_parity_checksum.cpp" />
     <ClCompile Include="..\test_pearson.cpp" />
     <ClCompile Include="..\test_pool.cpp" />
-    <ClCompile Include="..\test_quantatize.cpp" />
+    <ClCompile Include="..\test_quantize.cpp" />
     <ClCompile Include="..\test_queue_lockable.cpp" />
     <ClCompile Include="..\test_queue_lockable_small.cpp" />
     <ClCompile Include="..\test_rescale.cpp" />
@@ -4730,6 +4730,9 @@
     <Image Include="..\..\etl48.png" />
     <Image Include="..\..\favicon.ico" />
   </ItemGroup>
+  <ItemGroup>
+    <Natvis Include="NatvisFile.natvis" />
+  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
diff --git a/test/vs2019/etl.vcxproj.filters b/test/vs2019/etl.vcxproj.filters
index b2fd55b1..7aae167f 100644
--- a/test/vs2019/etl.vcxproj.filters
+++ b/test/vs2019/etl.vcxproj.filters
@@ -2447,7 +2447,7 @@
     <ClCompile Include="..\test_limiter.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="..\test_quantatize.cpp">
+    <ClCompile Include="..\test_quantize.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
     <ClCompile Include="..\sanity-check\crc16_cdma2000.h.t.cpp">
@@ -2595,4 +2595,9 @@
       <Filter>Resource Files\Images</Filter>
     </Image>
   </ItemGroup>
+  <ItemGroup>
+    <Natvis Include="NatvisFile.natvis">
+      <Filter>Resource Files</Filter>
+    </Natvis>
+  </ItemGroup>
 </Project>
\ No newline at end of file