diff --git a/app/controllers/transactions_controller.rb b/app/controllers/transactions_controller.rb
index 1d38397b7..fea921ab4 100644
--- a/app/controllers/transactions_controller.rb
+++ b/app/controllers/transactions_controller.rb
@@ -134,6 +134,8 @@ class TransactionsController < ApplicationController
       @entry.transaction.lock_attr!(:tag_ids) if @entry.transaction.tags.any?
       @entry.sync_account_later
 
+      notes_changed = @entry.saved_change_to_notes?
+
       # Reload to ensure fresh state for turbo stream rendering
       @entry.reload
 
@@ -151,9 +153,14 @@ class TransactionsController < ApplicationController
               partial: "entries/protection_indicator",
               locals: { entry: @entry, unlock_path: unlock_transaction_path(@entry.transaction) }
             ),
+            (turbo_stream.replace(
+              dom_id(@entry, :notes),
+              partial: "transactions/notes",
+              locals: { entry: @entry, can_annotate: can_annotate_entry? }
+            ) if params[:entry]&.key?(:notes) && notes_changed),
             turbo_stream.replace(@entry),
             *flash_notification_stream_items
-          ]
+          ].compact
         end
       end
     else
diff --git a/app/views/transactions/_notes.html.erb b/app/views/transactions/_notes.html.erb
new file mode 100644
index 000000000..2d6114c0b
--- /dev/null
+++ b/app/views/transactions/_notes.html.erb
@@ -0,0 +1,13 @@
+<%# locals: (entry:, can_annotate:) %>
+<%= turbo_frame_tag dom_id(entry, :notes) do %>
+  <%= styled_form_with model: entry,
+        url: transaction_path(entry),
+        data: { controller: "auto-submit-form" } do |f| %>
+    <%= f.text_area :notes,
+            label: t("transactions.show.note_label"),
+            placeholder: t("transactions.show.note_placeholder"),
+            rows: 5,
+            disabled: !can_annotate,
+            "data-auto-submit-form-target": "auto" %>
+  <% end %>
+<% end %>
diff --git a/app/views/transactions/show.html.erb b/app/views/transactions/show.html.erb
index 885b7f866..25aa00059 100644
--- a/app/views/transactions/show.html.erb
+++ b/app/views/transactions/show.html.erb
@@ -117,18 +117,13 @@
                     include_blank: t(".none"),
                     multiple: true,
                     label:    t(".tags_label"),
-                    disabled: @entry.split_child? || !can_annotate_entry?
+                    disabled: !can_annotate_entry?
                   },
                   { "data-controller": "multi-select", "data-auto-submit-form-target": "auto" } %>
           <% end %>
         <% end %>
-        <%= f.text_area :notes,
-                label: t(".note_label"),
-                placeholder: t(".note_placeholder"),
-                rows: 5,
-                disabled: @entry.split_child? || !can_annotate_entry?,
-                "data-auto-submit-form-target": "auto" %>
       <% end %>
+      <%= render "transactions/notes", entry: @entry, can_annotate: can_annotate_entry? %>
     <% end %>
 
     <% dialog.with_section(title: t(".attachments")) do %>
diff --git a/test/controllers/transactions_controller_test.rb b/test/controllers/transactions_controller_test.rb
index 546f58be0..a6c2e2a05 100644
--- a/test/controllers/transactions_controller_test.rb
+++ b/test/controllers/transactions_controller_test.rb
@@ -20,7 +20,7 @@ class TransactionsControllerTest < ActionDispatch::IntegrationTest
           nature: "inflow",
           entryable_type: @entry.entryable_type,
           entryable_attributes: {
-            tag_ids: [ Tag.first.id, Tag.second.id ],
+            tag_ids: [ tags(:one).id, tags(:two).id ],
             category_id: Category.first.id,
             merchant_id: Merchant.first.id
           }
@@ -49,7 +49,7 @@ class TransactionsControllerTest < ActionDispatch::IntegrationTest
           excluded: false,
           entryable_attributes: {
             id: @entry.entryable_id,
-            tag_ids: [ Tag.first.id, Tag.second.id ],
+            tag_ids: [ tags(:one).id, tags(:two).id ],
             category_id: Category.first.id,
             merchant_id: Merchant.first.id
           }
@@ -63,7 +63,7 @@ class TransactionsControllerTest < ActionDispatch::IntegrationTest
     assert_equal Date.current, @entry.date
     assert_equal "USD", @entry.currency
     assert_equal -100, @entry.amount
-    assert_equal [ Tag.first.id, Tag.second.id ], @entry.entryable.tag_ids.sort
+    assert_equal [ tags(:one).id, tags(:two).id ].sort, @entry.entryable.tag_ids.sort
     assert_equal Category.first.id, @entry.entryable.category_id
     assert_equal Merchant.first.id, @entry.entryable.merchant_id
     assert_equal "test notes", @entry.notes
@@ -96,6 +96,33 @@ class TransactionsControllerTest < ActionDispatch::IntegrationTest
     assert_dom "#total-transactions", count: 1, text: "1"
   end
 
+  test "can update notes on split child transaction" do
+    parent = create_transaction(account: accounts(:depository), amount: 100)
+    parent.split!([ { name: "Part 1", amount: 60, category_id: nil }, { name: "Part 2", amount: 40, category_id: nil } ])
+    child = parent.child_entries.first
+
+    patch transaction_url(child), params: {
+      entry: { notes: "split child note", entryable_attributes: { id: child.entryable_id } }
+    }
+
+    assert_response :redirect
+    assert_equal "split child note", child.reload.notes
+  end
+
+  test "can update tags on split child transaction" do
+    parent = create_transaction(account: accounts(:depository), amount: 100)
+    parent.split!([ { name: "Part 1", amount: 60, category_id: nil }, { name: "Part 2", amount: 40, category_id: nil } ])
+    child = parent.child_entries.first
+    tag = tags(:one)
+
+    patch transaction_url(child), params: {
+      entry: { entryable_attributes: { id: child.entryable_id, tag_ids: [ tag.id ] } }
+    }
+
+    assert_response :redirect
+    assert_equal [ tag.id ], child.reload.entryable.tag_ids
+  end
+
   test "split parent rows mark amount as privacy-sensitive" do
     entry = create_transaction(account: accounts(:depository), amount: 100, name: "Split parent")