l10n: With a capital letter

src/main/res/values/strings.xml

@@ -861,8 +861,8 @@
     <string name="etm_transfer_enqueue_test_download">Enqueue test download</string>
     <string name="etm_transfer_enqueue_test_upload">Enqueue test upload</string>
     <string name="etm_transfer_type">Transfer</string>
-    <string name="etm_transfer_type_upload">upload</string>
-    <string name="etm_transfer_type_download">download</string>
+    <string name="etm_transfer_type_upload">Upload</string>
+    <string name="etm_transfer_type_download">Download</string>
     <string name="etm_transfer_uuid" translatable="false">@string/etm_background_job_uuid</string>
     <string name="etm_transfer_user" translatable="false">@string/etm_background_job_user</string>
     <string name="etm_transfer_state" translatable="false">@string/etm_background_job_state</string>