diff --git a/appveyor.yml b/appveyor.yml
index 3689bdc6..ab87092f 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,4 +1,6 @@
 version: 1.0.{build}
+image:
+  - Visual Studio 2017
 build:
   project: build\vc2017\nana.sln
   verbosity: minimal
\ No newline at end of file
diff --git a/build/cmake/install_nana.cmake b/build/cmake/install_nana.cmake
index 4450e4f8..45636484 100644
--- a/build/cmake/install_nana.cmake
+++ b/build/cmake/install_nana.cmake
@@ -2,7 +2,7 @@ option(NANA_CMAKE_INSTALL "Install nana when compile the library (to be consumed
 
 # Install the include directories too.
 if(NANA_CMAKE_INSTALL)
-    # this is the prefered method to consume nana directly with some specific bulid system
+    # This is a method to consume nana with a bulid system not directly supported by nana.
     # Is your responsability to ensure all compiler options are compatible with the compilation
     # of the project linking to the nana lib here generated
     target_sources(nana PRIVATE ${HEADERS})