diff --git a/frontend/src/features/qa/page-list/ui/page-details.ts b/frontend/src/features/qa/page-list/ui/page-details.ts
index d080f398..aa1927c0 100644
--- a/frontend/src/features/qa/page-list/ui/page-details.ts
+++ b/frontend/src/features/qa/page-list/ui/page-details.ts
@@ -98,6 +98,6 @@ export const pageDetails = (page: ArchivedItemQAPage) =>
               name="chat-square-text-fill"
               class="mr-2 h-4 w-4 flex-none text-blue-600"
             ></sl-icon>
-            ${page.notes[page.notes.length - 1]?.text}
+            ${page.notes[page.notes.length - 1].text}
           </div>`
       : nothing}`;
diff --git a/frontend/src/features/qa/page-list/ui/page.ts b/frontend/src/features/qa/page-list/ui/page.ts
index c5b48768..0efea3f9 100644
--- a/frontend/src/features/qa/page-list/ui/page.ts
+++ b/frontend/src/features/qa/page-list/ui/page.ts
@@ -138,8 +138,10 @@ export class QaPage extends TailwindElement {
           tabindex="0"
           aria-selected=${this.selected}
         >
-          <sl-tooltip placement="left" hoist>
-            <div slot="content" class="text-xs">${pageDetails(page)}</div>
+          <sl-tooltip class="invert-tooltip" placement="left" hoist>
+            <div slot="content" class="max-w-60 text-xs">
+              ${pageDetails(page)}
+            </div>
             <div
               class="absolute -left-4 top-[50%] flex w-8 translate-y-[-50%] flex-col place-items-center gap-1 rounded-full border border-gray-300 bg-neutral-0 p-2 leading-[14px] shadow transition-transform hover:scale-110"
             >
diff --git a/frontend/src/pages/org/archived-item-detail/ui/qa.ts b/frontend/src/pages/org/archived-item-detail/ui/qa.ts
index 815a928c..e0b000d6 100644
--- a/frontend/src/pages/org/archived-item-detail/ui/qa.ts
+++ b/frontend/src/pages/org/archived-item-detail/ui/qa.ts
@@ -762,19 +762,31 @@ export class ArchivedItemDetailQA extends TailwindElement {
                 <btrix-table-cell
                   >${this.renderApprovalStatus(page)}</btrix-table-cell
                 >
-                <btrix-table-cell
-                  >${page.notes?.length
-                    ? statusWithIcon(
-                        html`<sl-icon
-                          name="chat-square-text-fill"
-                          class="text-blue-600"
-                        ></sl-icon>`,
-                        `${page.notes.length.toLocaleString()} ${pluralOf("comments", page.notes.length)}`,
-                      )
-                    : html`<span class="text-neutral-400"
-                        >${msg("None")}</span
-                      >`}</btrix-table-cell
-                >
+                <btrix-table-cell>
+                  ${page.notes?.length
+                    ? html`
+                        <sl-tooltip class="invert-tooltip">
+                          <div slot="content">
+                            <div class="text-xs text-neutral-400">
+                              ${msg("Newest comment:")}
+                            </div>
+                            <div class="leading04 max-w-60 text-xs">
+                              ${page.notes[page.notes.length - 1].text}
+                            </div>
+                          </div>
+                          ${statusWithIcon(
+                            html`<sl-icon
+                              name="chat-square-text-fill"
+                              class="text-blue-600"
+                            ></sl-icon>`,
+                            `${page.notes.length.toLocaleString()} ${pluralOf("comments", page.notes.length)}`,
+                          )}
+                        </sl-tooltip>
+                      `
+                    : html`<span class="text-neutral-400">
+                        ${msg("None")}
+                      </span>`}
+                </btrix-table-cell>
               </btrix-table-row>
             `,
           )}
diff --git a/frontend/src/pages/org/archived-item-qa/archived-item-qa.ts b/frontend/src/pages/org/archived-item-qa/archived-item-qa.ts
index 3d7fd178..8694853a 100644
--- a/frontend/src/pages/org/archived-item-qa/archived-item-qa.ts
+++ b/frontend/src/pages/org/archived-item-qa/archived-item-qa.ts
@@ -43,6 +43,7 @@ import type { ArchivedItem, ArchivedItemPageComment } from "@/types/crawler";
 import type { ArchivedItemQAPage, QARun } from "@/types/qa";
 import { type AuthState } from "@/utils/AuthService";
 import { finishedCrawlStates, isActive, renderName } from "@/utils/crawler";
+import { maxLengthValidator } from "@/utils/form";
 import { formatISODateString, getLocale } from "@/utils/localization";
 
 const DEFAULT_PAGE_SIZE = 100;
@@ -158,6 +159,8 @@ export class ArchivedItemQA extends TailwindElement {
   private readonly notify = new NotifyController(this);
   private readonly replaySwReg =
     navigator.serviceWorker.getRegistration("/replay/");
+  private readonly validateItemDescriptionMax = maxLengthValidator(500);
+  private readonly validatePageCommentMax = maxLengthValidator(500);
 
   @query("#replayframe")
   private readonly replayFrame?: HTMLIFrameElement | null;
@@ -581,11 +584,18 @@ export class ArchivedItemQA extends TailwindElement {
         </sl-button>
       </btrix-dialog>
 
+      ${this.renderReviewDialog()}
+    `;
+  }
+
+  private renderReviewDialog() {
+    const { helpText, validate } = this.validateItemDescriptionMax;
+    return html`
       <btrix-dialog
         class="reviewDialog [--width:60rem]"
         label=${msg("QA Review")}
       >
-        <form class="qaReviewForm" @submit=${this.onReviewSubmit}>
+        <form class="qaReviewForm" @submit=${this.onSubmitReview}>
           <div class="flex flex-col gap-6 md:flex-row">
             <div>
               <sl-radio-group
@@ -642,7 +652,11 @@ export class ArchivedItemQA extends TailwindElement {
                 label=${msg("Update archived item description?")}
                 name="description"
                 value=${this.item?.description ?? ""}
-                placeholder=${msg("No description")}
+                placeholder=${msg("No description, yet")}
+                rows="10"
+                autocomplete="off"
+                help-text=${helpText}
+                @sl-input=${validate}
               ></sl-textarea>
             </div>
           </div>
@@ -720,6 +734,7 @@ export class ArchivedItemQA extends TailwindElement {
   }
 
   private renderComments() {
+    const { helpText, validate } = this.validatePageCommentMax;
     return html`
       ${when(
         this.page?.notes?.length,
@@ -770,8 +785,10 @@ export class ArchivedItemQA extends TailwindElement {
           name="pageComment"
           label=${msg("Add a comment")}
           placeholder=${msg("Enter page feedback")}
-          minlength="1"
-          maxlength="500"
+          rows="4"
+          autocomplete="off"
+          help-text=${helpText}
+          @sl-input=${validate}
         ></sl-textarea>
       </form>
     `;
@@ -941,6 +958,9 @@ export class ArchivedItemQA extends TailwindElement {
 
     if (!value) return;
 
+    const formEl = e.target as HTMLFormElement;
+    if (!(await this.checkFormValidity(formEl))) return;
+
     void this.commentDialog?.hide();
 
     try {
@@ -975,6 +995,11 @@ export class ArchivedItemQA extends TailwindElement {
     }
   }
 
+  async checkFormValidity(formEl: HTMLFormElement) {
+    await this.updateComplete;
+    return !formEl.querySelector("[data-invalid]");
+  }
+
   private async deletePageComment(commentId: string): Promise<void> {
     try {
       await this.api.fetch(
@@ -1293,14 +1318,15 @@ export class ArchivedItemQA extends TailwindElement {
     );
   }
 
-  private async onReviewSubmit(e: SubmitEvent) {
+  private async onSubmitReview(e: SubmitEvent) {
     e.preventDefault();
     const form = e.currentTarget as HTMLFormElement;
     const params = serialize(form);
 
-    if (!params.reviewStatus) {
-      return;
-    }
+    if (!params.reviewStatus) return;
+
+    const formEl = e.target as HTMLFormElement;
+    if (!(await this.checkFormValidity(formEl))) return;
 
     try {
       const data = await this.api.fetch<{ updated: boolean }>(
diff --git a/frontend/src/theme.stylesheet.css b/frontend/src/theme.stylesheet.css
index 42d242a2..1efd27ce 100644
--- a/frontend/src/theme.stylesheet.css
+++ b/frontend/src/theme.stylesheet.css
@@ -196,6 +196,18 @@
     min-width: min-content;
   }
 
+  /* Style tooltip with white background */
+  sl-tooltip.invert-tooltip {
+    --sl-tooltip-arrow-size: 0;
+    --sl-tooltip-background-color: var(--sl-color-neutral-0);
+    --sl-tooltip-color: var(--sl-color-neutral-700);
+  }
+
+  sl-tooltip.invert-tooltip::part(body) {
+    outline: 1px solid var(--sl-panel-border-color);
+    box-shadow: var(--sl-shadow-large);
+  }
+
   /* For single-input forms with submit button inline */
   /* Requires form control and button to be direct children */
   .inline-control-input,