cosmetic improvements; mention MSVC 2013 compat

README.md

@@ -99,7 +99,7 @@ int main(int argc, char *argv[])
     status = UA_Client_readValueAttribute(client, UA_NODEID_STRING(1, "the.answer"), val);
     if(status == UA_STATUSCODE_GOOD && UA_Variant_isScalar(val) &&
        val->type == &UA_TYPES[UA_TYPES_INT32]) {
-            printf("the value is: %i\n", *(UA_Int32*)val->data);
+        printf("the value is: %i\n", *(UA_Int32*)val->data);
     }
 
     UA_Variant_delete(val);

doc/building.rst

@@ -38,8 +38,8 @@ Building with CMake on Ubuntu or Debian
 Building with CMake on Windows
 ------------------------------
 
-Here we explain the build process for Visual Studio. To build with MinGW, just
-replace the compiler selection in the call to CMake.
+Here we explain the build process for Visual Studio (2013 or newer). To build
+with MinGW, just replace the compiler selection in the call to CMake.
 
 - Download and install