Update README.md

README.md

@@ -38,6 +38,12 @@ const auto vm_entry_rva = std::strtoull( parser.get< std::string >( "vmentry" ).
 const auto image_base = umtils->image_base( parser.get< std::string >( "bin" ).c_str() );
 const auto image_size = NT_HEADER( module_base )->OptionalHeader.SizeOfImage;
 vm::ctx_t vmctx( module_base, image_base, image_size, vm_entry_rva );
+
+if ( !vmctx.init() )
+{
+    std::printf( "[!] failed to init vm::ctx_t... make sure all cli arguments are correct!\n" );
+    return -1;
+}
 ```
 
 ***Figure 1. Taken from VMProfiler CLI Project***