diff --git a/src/test/ref/void-parameter.asm b/src/test/ref/void-parameter.asm
index f3bd8c603..66d7fde03 100644
--- a/src/test/ref/void-parameter.asm
+++ b/src/test/ref/void-parameter.asm
@@ -1,5 +1,5 @@
 // Test that void-parameter works top specify function takes no parameters
-// Out
+// Output is "..." in the top left corner of the screen
 .pc = $801 "Basic"
 :BasicUpstart(main)
 .pc = $80d "Program"
diff --git a/src/test/ref/void-parameter.log b/src/test/ref/void-parameter.log
index 975cf6f43..3fd2cc0e5 100644
--- a/src/test/ref/void-parameter.log
+++ b/src/test/ref/void-parameter.log
@@ -191,7 +191,7 @@ Allocated zp ZP_BYTE:2 [ idx#12 idx#13 ]
 INITIAL ASM
 //SEG0 File Comments
 // Test that void-parameter works top specify function takes no parameters
-// Out
+// Output is "..." in the top left corner of the screen
 //SEG1 Basic Upstart
 .pc = $801 "Basic"
 :BasicUpstart(bbegin)
@@ -283,7 +283,7 @@ Uplifting [print] best 65 combination
 ASSEMBLER BEFORE OPTIMIZATION
 //SEG0 File Comments
 // Test that void-parameter works top specify function takes no parameters
-// Out
+// Output is "..." in the top left corner of the screen
 //SEG1 Basic Upstart
 .pc = $801 "Basic"
 :BasicUpstart(bbegin)
@@ -408,7 +408,7 @@ Score: 41
 
 //SEG0 File Comments
 // Test that void-parameter works top specify function takes no parameters
-// Out
+// Output is "..." in the top left corner of the screen
 //SEG1 Basic Upstart
 .pc = $801 "Basic"
 :BasicUpstart(main)