diff --git a/lib/controllers/invites.dart b/lib/controllers/invites.dart
index 55899b1..3effbf9 100644
--- a/lib/controllers/invites.dart
+++ b/lib/controllers/invites.dart
@@ -59,8 +59,13 @@ class InvitesController extends Notifier<IList<RoomSummary>> {
             summary.copyWith(
               worldReadable: historyVisibility == .worldReadable,
             ),
-          MembershipContent(:final isDirect) when event.stateKey == userId =>
-            summary.copyWith(invitedBy: event.sender, isDirect: isDirect),
+          MembershipContent(:final isDirect, :final reason)
+              when event.stateKey == userId =>
+            summary.copyWith(
+              invitedBy: event.sender,
+              inviteReason: reason,
+              isDirect: isDirect,
+            ),
           _ => summary,
         },
       );
diff --git a/lib/models/room_summary.dart b/lib/models/room_summary.dart
index 35c86bd..f2c8852 100644
--- a/lib/models/room_summary.dart
+++ b/lib/models/room_summary.dart
@@ -31,6 +31,9 @@ class const RoomSummary({
   /// Who invited the current user, for invites.
   @JsonKey(includeFromJson: false) final String? invitedBy,
 
+  /// The reason given for the invite, if any.
+  @JsonKey(includeFromJson: false) final String? inviteReason,
+
   /// The inviter's membership, for their display name and avatar.
   @JsonKey(includeFromJson: false) final MembershipContent? inviterProfile,
 
diff --git a/lib/widgets/invites_list.dart b/lib/widgets/invites_list.dart
index ad07ce0..6dbb0a8 100644
--- a/lib/widgets/invites_list.dart
+++ b/lib/widgets/invites_list.dart
@@ -124,7 +124,6 @@ class const InviteCard(final RoomSummary invite, {super.key})
           [
             if (inviterName != null)
               "${invite.isDirect ? "Direct message from" : "Invited by"} $inviterName",
-            ?invite.topic,
           ].join("\n"),
           maxLines: 2,
           overflow: .ellipsis,
diff --git a/lib/widgets/linkified_text.dart b/lib/widgets/linkified_text.dart
index 4e621d2..1c12d22 100644
--- a/lib/widgets/linkified_text.dart
+++ b/lib/widgets/linkified_text.dart
@@ -10,14 +10,17 @@ final class const LinkifiedText(
   super.key,
 }) extends ConsumerWidget {
   @override
-  Widget build(BuildContext context, WidgetRef ref) => Linkify(
-    text: text,
-    maxLines: maxLines,
-    style: style,
-    options: .new(humanize: false),
-    onOpen: (link) =>
-        ref.read(LaunchHelper.provider).launchUrl(.parse(link.url)),
-    linkStyle: .new(color: Theme.of(context).colorScheme.primary),
-    overflow: maxLines == null ? null : .ellipsis,
-  );
+  Widget build(BuildContext context, WidgetRef ref) =>
+      MaterialUiCompatibilityBridge(
+        child: Linkify(
+          text: text,
+          maxLines: maxLines,
+          style: style,
+          options: .new(humanize: false),
+          onOpen: (link) =>
+              ref.read(LaunchHelper.provider).launchUrl(.parse(link.url)),
+          linkStyle: .new(color: Theme.of(context).colorScheme.primary),
+          overflow: maxLines == null ? null : .ellipsis,
+        ),
+      );
 }
diff --git a/lib/widgets/room_menu_button.dart b/lib/widgets/room_menu_button.dart
index 2c5b347..d6a61b8 100644
--- a/lib/widgets/room_menu_button.dart
+++ b/lib/widgets/room_menu_button.dart
@@ -55,18 +55,21 @@ final class const RoomMenuButton(
               builder: (context) => HookBuilder(
                 builder: (context) {
                   final userIdController = useTextEditingController();
+                  final reasonController = useTextEditingController();
                   final text = useValueListenable(userIdController).text.trim();
                   final valid = RegExp(r"^@[^:\s]+:[^\s]+$").hasMatch(text);
 
                   void submit() {
                     if (!valid) return;
                     Navigator.of(context).pop();
+                    final reason = reasonController.text.trim();
                     client
                         .setMembership(
                           .new(
                             userId: text,
                             roomId: room!.metadata!.id,
                             action: .invite,
+                            reason: reason.isEmpty ? null : reason,
                           ),
                         )
                         .onError(showError);
@@ -74,18 +77,32 @@ final class const RoomMenuButton(
 
                   return AlertDialog(
                     title: Text("Invite User"),
-                    content: TextField(
-                      controller: userIdController,
-                      autofocus: true,
-                      keyboardType: .emailAddress,
-                      onSubmitted: (_) => submit(),
-                      decoration: .new(
-                        labelText: "User ID",
-                        hintText: "@user:example.com",
-                        errorText: text.isEmpty || valid
-                            ? null
-                            : "Enter a valid user ID",
-                      ),
+                    content: Column(
+                      mainAxisSize: .min,
+                      spacing: 12,
+                      children: [
+                        TextField(
+                          controller: userIdController,
+                          autofocus: true,
+                          keyboardType: .emailAddress,
+                          onSubmitted: (_) => submit(),
+                          decoration: .new(
+                            labelText: "User ID",
+                            hintText: "@user:example.com",
+                            errorText: text.isEmpty || valid
+                                ? null
+                                : "Enter a valid user ID",
+                          ),
+                        ),
+                        TextField(
+                          controller: reasonController,
+                          textCapitalization: .sentences,
+                          onSubmitted: (_) => submit(),
+                          decoration: const .new(
+                            labelText: "Invite reason (optional)",
+                          ),
+                        ),
+                      ],
                     ),
                     actions: [
                       TextButton(
diff --git a/lib/widgets/room_summary_dialog.dart b/lib/widgets/room_summary_dialog.dart
index 9ccde20..b892f5d 100644
--- a/lib/widgets/room_summary_dialog.dart
+++ b/lib/widgets/room_summary_dialog.dart
@@ -61,6 +61,13 @@ class const RoomSummaryDialog(
               ),
               subtitle: SelectableText(invitedBy),
             ),
+          if (summary.inviteReason case final reason?)
+            ListTile(
+              titleAlignment: ListTileTitleAlignment.titleHeight,
+              leading: const Icon(Icons.format_quote),
+              title: const Text("Invite reason"),
+              subtitle: SelectableText(reason),
+            ),
           // Invite state never includes the member count
           if (summary.joinedMembers != null || !isInvite)
             ListTile(
@@ -70,23 +77,23 @@ class const RoomSummaryDialog(
               leading: Icon(Icons.people),
             ),
           ListTile(
-            title: SelectableText(summary.canonicalAlias ?? summary.roomId),
+            title: Text(
+              summary.canonicalAlias == null ? "Room ID" : "Canonical Alias",
+            ),
+            subtitle: SelectableText(summary.canonicalAlias ?? summary.roomId),
             leading: Icon(Icons.numbers),
           ),
           if (summary.topic != null)
             ListTile(
-              titleAlignment: ListTileTitleAlignment.titleHeight,
-              title: LinkifiedText(
-                summary.topic!,
-                style: Theme.of(context).textTheme.bodyLarge,
-              ),
+              title: Text("Topic"),
+              subtitle: LinkifiedText(summary.topic!),
               leading: Icon(Icons.info),
             ),
           if (summary.encryption != null)
             ListTile(title: Text("Encrypted"), leading: Icon(Icons.lock)),
           if (summary.worldReadable == true)
             ListTile(
-              title: Text("Anyone can read the history"),
+              title: Text("Anyone can read room history"),
               leading: Icon(Icons.public),
             ),
         ],