diff --git a/l10n/en-US/viewer.properties b/l10n/en-US/viewer.properties
index 1f5db00a3..3c4e43b45 100644
--- a/l10n/en-US/viewer.properties
+++ b/l10n/en-US/viewer.properties
@@ -270,10 +270,10 @@ editor_ink_canvas_aria_label=User-created image
 editor_alt_text_button_label=Alt text
 editor_alt_text_dialog_label=Choose an option
 editor_alt_text_dialog_description=Alt text (alternative text) helps when people can’t see the image or when it doesn’t load.
-editor_alt_text_enter_description_label=Enter a description
-editor_alt_text_enter_description_description=Aim for 1-2 sentences that describe the subject, setting, or actions.
+editor_alt_text_add_description_label=Add a description
+editor_alt_text_add_description_description=Aim for 1-2 sentences that describe the subject, setting, or actions.
 editor_alt_text_mark_decorative_label=Mark as decorative
-editor_alt_text_mark_decorative_description=This is best for images that aren’t informative, like borders or stylistic elements.
+editor_alt_text_mark_decorative_description=This is used for ornamental images, like borders or watermarks.
 editor_alt_text_cancel_button=Cancel
 editor_alt_text_save_button=Save
 editor_alt_text_decorative_tooltip=Marked as decorative
diff --git a/web/viewer.html b/web/viewer.html
index 3568cf874..4f1ac9f6f 100644
--- a/web/viewer.html
+++ b/web/viewer.html
@@ -494,10 +494,10 @@ See https://github.com/adobe-type-tools/cmap-resources
               <div class="radio">
                 <div class="radioButton">
                   <input type="radio" id="descriptionButton" name="altTextOption" tabindex="0" checked>
-                  <label for="descriptionButton" data-l10n-id="editor_alt_text_enter_description_label">Enter a description</label>
+                  <label for="descriptionButton" data-l10n-id="editor_alt_text_add_description_label">Add a description</label>
                 </div>
                 <div class="radioLabel">
-                  <span id="descriptionAreaLabel" data-l10n-id="editor_alt_text_enter_description_description">
+                  <span id="descriptionAreaLabel" data-l10n-id="editor_alt_text_add_description_description">
                     Aim for 1-2 sentences that describe the subject, setting, or actions.
                   </span>
                 </div>
@@ -514,7 +514,7 @@ See https://github.com/adobe-type-tools/cmap-resources
                 </div>
                 <div class="radioLabel">
                   <span data-l10n-id="editor_alt_text_mark_decorative_description">
-                    This is best for images that aren’t informative, like borders or stylistic elements.
+                    This is used for ornamental images, like borders or watermarks.
                   </span>
                 </div>
               </div>