diff --git a/chrome/locale/en-US/zotero/reader.ftl b/chrome/locale/en-US/zotero/reader.ftl
index cd621753c8..7a6a7f1be3 100644
--- a/chrome/locale/en-US/zotero/reader.ftl
+++ b/chrome/locale/en-US/zotero/reader.ftl
@@ -12,31 +12,18 @@ pdfReader-imageAnnotation = Image Annotation
 
 pdfReader-find-in-document = Find in Document
 
+pdfReader-move-annotation-start-key =
+    { PLATFORM() ->
+        [macos] { general-key-command }
+        *[other] { general-key-alt }
+    }
 pdfReader-a11yMoveAnnotation = Use the arrow keys to move the annotation.
-pdfReader-a11yEditTextAnnotation = To move the end of the text annotation, hold { general-key-shift } and use the left/right arrow keys. To move the start of the annotation, hold { general-key-shift }-{ option-or-alt } and use the arrow keys.
+pdfReader-a11yEditTextAnnotation = To move the end of the text annotation, hold { general-key-shift } and use the left/right arrow keys. To move the start of the annotation, hold { general-key-shift }-{ pdfReader-move-annotation-start-key } and use the arrow keys.
 pdfReader-a11yResizeAnnotation = To resize the annotation, hold { general-key-shift } and use the arrow keys.
 pdfReader-a11yAnnotationPopupAppeared = Use Tab to navigate the annotation popup.
 
-pdfReader-a11yAnnotationCreated = { $type ->
-    [highlight] { pdfReader-highlightAnnotation }
-    [underline] { pdfReader-underlineAnnotation }
-    [note] { pdfReader-noteAnnotation }
-    [text] { pdfReader-textAnnotation }
-    [image] { pdfReader-imageAnnotation }
-   *[other] Annotation
-} created.
-
-pdfReader-a11yAnnotationSelected = { $type ->
-    [highlight] { pdfReader-highlightAnnotation } selected. { pdfReader-a11yEditTextAnnotation }
-    [underline] { pdfReader-underlineAnnotation } selected. { pdfReader-a11yEditTextAnnotation }
-    [note] { pdfReader-noteAnnotation } selected. { pdfReader-a11yMoveAnnotation }
-    [text] { pdfReader-textAnnotation } selected. { pdfReader-a11yMoveAnnotation } { pdfReader-a11yResizeAnnotation }
-    [image] { pdfReader-imageAnnotation } selected. { pdfReader-a11yMoveAnnotation } { pdfReader-a11yResizeAnnotation }
-   *[other] Annotation selected.
-} { $popupVisible -> 
-    [yes] { pdfReader-a11yAnnotationPopupAppeared }
-    *[other] { "" }
-}
+pdfReader-a11yAnnotationCreated = { $type } created.
+pdfReader-a11yAnnotationSelected = { $type } selected.
 
 -pdfReader-a11yTextualAnnotationInstruction = To annotate text via the keyboard, first use “{ pdfReader-find-in-document }” to locate the phrase, and then press { general-key-control }-{ option-or-alt }-{ $number } to turn the search result into an annotation.
 -pdfReader-a11yAnnotationInstruction = To add this annotation into the document, focus the document and press { general-key-control }-{ option-or-alt }-{ $number }.
@@ -63,4 +50,4 @@ pdfReader-toolbar-draw =
 pdfReader-findInDocumentInput =
     .title = Find
     .placeholder = { pdfReader-find-in-document }
-    .aria-description = To turn a search result into a highlight or underline annotation, press { general-key-control }-{ option-or-alt }-1. To turn a search result into an underline annotation, press { general-key-control }-{ option-or-alt }-2.
+    .aria-description = To turn a search result into a highlight annotation, press { general-key-control }-{ option-or-alt }-1. To turn a search result into an underline annotation, press { general-key-control }-{ option-or-alt }-2.
diff --git a/chrome/locale/en-US/zotero/zotero.ftl b/chrome/locale/en-US/zotero/zotero.ftl
index 0abda6e0bc..02233ced0a 100644
--- a/chrome/locale/en-US/zotero/zotero.ftl
+++ b/chrome/locale/en-US/zotero/zotero.ftl
@@ -1,5 +1,7 @@
 general-key-control = Control
 general-key-shift = Shift
+general-key-alt = Alt
+general-key-command = Command
 option-or-alt =
     { PLATFORM() ->
         [macos] Option