diff --git a/web/packages/hovercards/src/core.ts b/web/packages/hovercards/src/core.ts
index ce6c3e9..1050581 100644
--- a/web/packages/hovercards/src/core.ts
+++ b/web/packages/hovercards/src/core.ts
@@ -366,10 +366,11 @@ export default class Hovercards {
 					</a>
 				</div>
 				${
-					description &&
-					`<div class="gravatar-hovercard__body">
-						<p class="gravatar-hovercard__description">${ escHtml( description ) }</p>
-					</div>`
+					description
+						? `<div class="gravatar-hovercard__body">
+								<p class="gravatar-hovercard__description">${ escHtml( description ) }</p>
+							</div>`
+						: ''
 				}
 				<div class="gravatar-hovercard__social-links">
 					<a class="gravatar-hovercard__social-link" href="${ trackedProfileUrl }" target="_blank" data-service-name="gravatar">
diff --git a/web/packages/hovercards/src/style.scss b/web/packages/hovercards/src/style.scss
index d07195a..9bc7d45 100644
--- a/web/packages/hovercards/src/style.scss
+++ b/web/packages/hovercards/src/style.scss
@@ -154,6 +154,8 @@ $font-sf-pro: "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", Robo
 
 		@include ellipsis(1);
 
+		/* Ensure consistent word-breaking across browsers. */
+		word-break: break-all;
 		color: $color-gray;
 	}