diff --git a/docs/src/new-in-miller-6.md b/docs/src/new-in-miller-6.md
index 5883d83db..f2bbc5991 100644
--- a/docs/src/new-in-miller-6.md
+++ b/docs/src/new-in-miller-6.md
@@ -321,6 +321,8 @@ IFS and IPS can be regular expressions now. Please see the section on [multi-cha
 
 Variables must be non-indexed on `emit`. To emit an indexed variable now requires the new `emit1` keyword.
 
+This worked in Miller 5 but is no longer supported in Miller 6:
+
 <pre class="pre-highlight-in-pair">
 <b>mlr5 -n put 'end {@input={"a":1}; emit @input["a"]}'</b>
 </pre>
@@ -328,6 +330,8 @@ Variables must be non-indexed on `emit`. To emit an indexed variable now require
 input=1
 </pre>
 
+This works in Miller 6 (and worked in Miller 5 as well) and is supported:
+
 <pre class="pre-highlight-in-pair">
 <b>mlr -n put 'end {@input={"a":1}; emit1 {"input":@input["a"]}}'</b>
 </pre>
diff --git a/docs/src/new-in-miller-6.md.in b/docs/src/new-in-miller-6.md.in
index 6bee8326e..09af69920 100644
--- a/docs/src/new-in-miller-6.md.in
+++ b/docs/src/new-in-miller-6.md.in
@@ -275,11 +275,15 @@ IFS and IPS can be regular expressions now. Please see the section on [multi-cha
 
 Variables must be non-indexed on `emit`. To emit an indexed variable now requires the new `emit1` keyword.
 
+This worked in Miller 5 but is no longer supported in Miller 6:
+
 GENMD-CARDIFY-HIGHLIGHT-ONE
 mlr5 -n put 'end {@input={"a":1}; emit @input["a"]}'
 input=1
 GENMD-EOF
 
+This works in Miller 6 (and worked in Miller 5 as well) and is supported:
+
 GENMD-RUN-COMMAND
 mlr -n put 'end {@input={"a":1}; emit1 {"input":@input["a"]}}'
 GENMD-EOF