diff --git a/native-activity/app/src/main/cpp/main.cpp b/native-activity/app/src/main/cpp/main.cpp
index fe340681d..2bf0c9c33 100644
--- a/native-activity/app/src/main/cpp/main.cpp
+++ b/native-activity/app/src/main/cpp/main.cpp
@@ -127,6 +127,10 @@ static int engine_init_display(struct engine* engine) {
      * ANativeWindow buffers to match, using EGL_NATIVE_VISUAL_ID. */
     eglGetConfigAttrib(display, config, EGL_NATIVE_VISUAL_ID, &format);
     surface = eglCreateWindowSurface(display, config, engine->app->window, nullptr);
+
+    /* A version of OpenGL has not been specified here.  This will
+     * default to OpenGL 1.0.  You will need to change this if you
+     * want to use the newer features of OpenGL like shaders. */
     context = eglCreateContext(display, config, nullptr, nullptr);
 
     if (eglMakeCurrent(display, surface, surface, context) == EGL_FALSE) {