Translation fix

Delete the dot.

src/main/res/values/strings.xml

@@ -749,7 +749,7 @@
     <string name="end_to_end_encryption_generating_keys">Generating new keys…</string>
     <string name="end_to_end_encryption_keywords_description">All 12 words together make a very strong password, letting only you view and make use of your encrypted files. Please write it down and keep it somewhere safe.</string>
     <string name="end_to_end_encryption_title">Set up encryption</string>
-    <string name="end_to_end_encryption_passphrase_title">Make note of your 12 word encryption password.</string>
+    <string name="end_to_end_encryption_passphrase_title">Make note of your 12 word encryption password</string>
     <string name="end_to_end_encryption_not_supported">Encryption only works on KitKat(4.4) and beyond.</string>
     <string name="end_to_end_encryption_not_enabled">End-to-end encryption disabled on server.</string>
     <string name="end_to_end_encryption_confirm_button">Set up encryption</string>