diff --git a/Manual_tests.md b/Manual_tests.md
index fa4ef9f..8722a34 100644
--- a/Manual_tests.md
+++ b/Manual_tests.md
@@ -8,9 +8,9 @@ Initializing settings:
   - from defaults
     - `default_map` absent/present
 
-  - run with an untested version. Error message pops up and waits for a key. The app attempts to continue, and doesn't receive the key.
+  - run with an untested version of LÖVE. Error message pops up and waits for a key. The app attempts to continue, and doesn't receive the key.
   - run with a LÖVE v12 release candidate. No errors; it is a supported version. All tests pass.
-  - create a couple of spuriously failing tests. Run with an untested version. Error message includes message about untested version.
+  - create a couple of spuriously failing tests. Run with an untested version of LÖVE. Error message includes message about untested version.
 
 Code loading:
 * run love with directory; text editor runs
diff --git a/main.lua b/main.lua
index e42f61a..8eaabda 100644
--- a/main.lua
+++ b/main.lua
@@ -261,3 +261,8 @@ for handler_name in pairs(love.handlers) do
     end
   end
 end
+
+function warning_message()
+  assert(type(Current_app) == 'table')
+  return Current_app.message
+end