diff --git a/res/values/strings.xml b/res/values/strings.xml
index 31f3b4e0bf..6a77746242 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -368,9 +368,9 @@
     <string name="preferences__choose_identity">Choose Identity</string>
     <string name="preferences__choose_your_contact_entry_from_the_contacts_list">Choose your contact entry from the contacts list.</string>
     <string name="preferences__encryption_settings">Encryption Settings</string>
-    <string name="preferences__change_passphrase">Change Passphrase</string>
+    <string name="preferences__change_passphrase">Change passphrase</string>
     <string name="preferences__change_my_passphrase">Change my passphrase</string>
-    <string name="preferences__complete_key_exchanges">Complete Key Exchanges</string>
+    <string name="preferences__complete_key_exchanges">Complete key exchanges</string>
     <string name="preferences__automatically_complete_key_exchanges_for_new_sessions_or_for_existing_sessions_with_the_same_identity_key">Automatically complete key exchanges for new sessions or for existing sessions with the same identity key</string>
     <string name="preferences__include_a_whitespace_tag_at_the_end_of_every_non_encrypted_message">Include a whitespace tag at the end of every non-encrypted message</string>
     <string name="preferences__include_whitespace_tag">Include whitespace tag</string>
@@ -381,12 +381,12 @@
     <string name="preferences__pref_timeout_interval_dialogtitle">Select Passphrase Timeout</string>
     <string name="preferences__pref_timeout_interval_title">Timeout interval</string>
     <string name="preferences__the_amount_of_time_to_wait_before_forgetting_passphrase">The amount of time to wait before forgetting passphrase from memory</string>
-    <string name="preferences__identity_key_settings">Identity Keys</string>
+    <string name="preferences__identity_key_settings">Identity keys</string>
     <string name="preferences__view_my_identity_key">View my identity key</string>
     <string name="preferences__export_my_identity_key">Export my identity key</string>
-    <string name="preferences__import_contacts_key">Import Contact\'s Key</string>
+    <string name="preferences__import_contacts_key">Import contact\'s key</string>
     <string name="preferences__import_an_identity_key_from_a_contact">Import an identity key from a contact</string>
-    <string name="preferences__manage_identity_keys">Manage Identity Keys</string>
+    <string name="preferences__manage_identity_keys">Manage identity keys</string>
     <string name="preferences__manage_configured_identity_keys">Manage configured identity keys</string>
     <string name="preferences__notification_settings">Notification Settings</string>
     <string name="preferences__notifications">Notifications</string>
@@ -403,7 +403,7 @@
     <string name="preferences__minutes">minutes</string>
     <string name="preferences__hours">hours</string>
     <string name="preferences__green">Green</string>
-    <string name="preferences__red">Red</string>        
+    <string name="preferences__red">Red</string>
     <string name="preferences__blue">Blue</string>
     <string name="preferences__orange">Orange</string>
     <string name="preferences__cyan">Cyan</string>