diff --git a/examples/v0/src/main.rs b/examples/v0/src/main.rs
index 5b0301b..1938f82 100644
--- a/examples/v0/src/main.rs
+++ b/examples/v0/src/main.rs
@@ -133,7 +133,7 @@ impl Hemplate for Todos {
     fn render_into(&self, buf: &mut String) -> Result<(), hemplate::error::HemplateError> {
         use std::fmt::Write as _;
 
-        buf.push_str("<section data-hemx-root=\"todos\">\n  <form data-hemx-handle=\"add_todo\" data-hemx-form=\"new_todo\">\n    <label>New todo\n      <input name=\"title\" required=\"required\">\n    </label>\n    <button type=\"submit\">Add</button>\n    <p data-hemx-form-error=\"title\"></p>\n  </form>\n\n  <p data-hemx-slot=\"summary\">");
+        buf.push_str("<section data-hemx-root=\"todos\">\n  <form data-hemx-handle=\"add_todo\" data-hemx-form=\"new_todo\">\n    <label>New todo\n      <input name=\"title\" required=\"required\">\n    </label>\n    <button type=\"submit\">Add</button>\n    <p data-hemx-error-for=\"title\"></p>\n  </form>\n\n  <p data-hemx-slot=\"summary\">");
         write!(buf, "{}", hemplate::HtmlEscape(&self.summary))?;
         buf.push_str("</p>\n  <p data-hemx-slot=\"notice\">");
         write!(buf, "{}", hemplate::HtmlEscape(&self.notice))?;
@@ -620,6 +620,13 @@ mod tests {
             .select(&selector(&escaped_markup_selector("b")))
             .next()
             .is_none());
+        assert_eq!(
+            document
+                .select(&selector("[data-hemx-error-for='title']"))
+                .count(),
+            2,
+            "add and rename forms expose generated field-error targets"
+        );
     }
 
     // req: canonical_authoring/003 req: test/005
diff --git a/examples/v0/templates/partials/todo_row.heml b/examples/v0/templates/partials/todo_row.heml
index 1d73acb..ad7ecfe 100644
--- a/examples/v0/templates/partials/todo_row.heml
+++ b/examples/v0/templates/partials/todo_row.heml
@@ -7,6 +7,7 @@
       <input name="title" +value="self.title" required="required">
     </label>
     <button type="submit">Save</button>
+    <p data-hemx-error-for="title"></p>
   </form>
   <form data-hemx-handle="delete_todo">
     <button type="submit" name="id" +value="self.id">Delete</button>
diff --git a/examples/v0/templates/todos.heml b/examples/v0/templates/todos.heml
index ed44c80..a66ea91 100644
--- a/examples/v0/templates/todos.heml
+++ b/examples/v0/templates/todos.heml
@@ -2,6 +2,7 @@
   <form data-hemx-handle="add_todo" data-hemx-form="new_todo">
     <input name="title" required="required">
     <button type="submit">Add</button>
+    <p data-hemx-error-for="title"></p>
   </form>
   <p data-hemx-slot="summary">{+ self.summary +}</p>
   <p data-hemx-slot="notice">{+ self.notice +}</p>