diff --git a/core/java/com/android/internal/widget/FloatingToolbar.java b/core/java/com/android/internal/widget/FloatingToolbar.java
index 8cc8509708915..594581af8837f 100644
--- a/core/java/com/android/internal/widget/FloatingToolbar.java
+++ b/core/java/com/android/internal/widget/FloatingToolbar.java
@@ -899,6 +899,8 @@ public final class FloatingToolbar {
                 mOverflowPanel.setAlpha(1);
                 mOverflowPanel.setVisibility(View.VISIBLE);
                 mOverflowButton.setImageDrawable(mArrow);
+                mOverflowButton.setContentDescription(mContext.getString(
+                        R.string.floating_toolbar_close_overflow_description));
 
                 // Update x-coordinates depending on RTL state.
                 if (isRTL()) {
@@ -940,6 +942,8 @@ public final class FloatingToolbar {
                 mOverflowPanel.setAlpha(0);
                 mOverflowPanel.setVisibility(View.INVISIBLE);
                 mOverflowButton.setImageDrawable(mOverflow);
+                mOverflowButton.setContentDescription(mContext.getString(
+                        R.string.floating_toolbar_open_overflow_description));
 
                 if (hasOverflow()) {
                     // Update x-coordinates depending on RTL state.
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index ac36a2f9f4768..9b7fbd8eeaeff 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -2322,6 +2322,8 @@
   <java-symbol type="layout" name="floating_popup_overflow_list_item" />
   <java-symbol type="layout" name="floating_popup_overflow_image_list_item" />
   <java-symbol type="layout" name="floating_popup_overflow_button" />
+  <java-symbol type="string" name="floating_toolbar_open_overflow_description" />
+  <java-symbol type="string" name="floating_toolbar_close_overflow_description" />
   <java-symbol type="dimen" name="floating_toolbar_height" />
   <java-symbol type="dimen" name="floating_toolbar_menu_button_side_padding" />
   <java-symbol type="dimen" name="floating_toolbar_overflow_side_padding" />