diff --git a/developer/src/kmc-kmn/test/fixtures/invalid-keyboards/error_character_range_too_long.kmn b/developer/src/kmc-kmn/test/fixtures/invalid-keyboards/error_character_range_too_long.kmn
index e19e3ab9f87..8b8c0e402fd 100644
--- a/developer/src/kmc-kmn/test/fixtures/invalid-keyboards/error_character_range_too_long.kmn
+++ b/developer/src/kmc-kmn/test/fixtures/invalid-keyboards/error_character_range_too_long.kmn
@@ -8,7 +8,6 @@ group(main) using keys
 c maximum store length is 4096 UTF-16 code units, including U+0000 terminator
 c #define GLOBAL_BUFSIZE  4096   // compfile.h
 c so we need 0x101E - 0x0020 + 1 = 0x0FFF --> 4095 words
-c See #11136 for calculation adjustment TODO
 
 store(x)    U+0020 .. U+101E
 
diff --git a/developer/src/kmc-kmn/test/test-messages.ts b/developer/src/kmc-kmn/test/test-messages.ts
index dd105f9be79..78f4870fafb 100644
--- a/developer/src/kmc-kmn/test/test-messages.ts
+++ b/developer/src/kmc-kmn/test/test-messages.ts
@@ -117,9 +117,9 @@ describe('KmnCompilerMessages', function () {
 
   // ERROR_CharacterRangeTooLong
 
-  it('should generate ERROR_CharacterRangeTooLong if a character range would expand to be too long (more than GLOBAL_BUFSIZE elements)', async function() {
+  it('should generate ERROR_CharacterRangeTooLong if a character range would expand to be too long and would overflow the buffer', async function() {
     await testForMessage(this, ['invalid-keyboards', 'error_character_range_too_long.kmn'], KmnCompilerMessages.ERROR_CharacterRangeTooLong);
-    // callbacks.printMessages();
+    assert.equal(callbacks.messages[0].message, "Character range is too large and cannot be expanded");
   });
 
 });