settings: fix typo

Change-Id: I5ef5509a065f0a1c8b29acd9960694995b97c469
diff --git a/ring-android/app/src/main/res/values/strings_account.xml b/ring-android/app/src/main/res/values/strings_account.xml
index 5dade49..cc5ae2d 100644
--- a/ring-android/app/src/main/res/values/strings_account.xml
+++ b/ring-android/app/src/main/res/values/strings_account.xml
@@ -106,7 +106,7 @@
 
     <!-- Advanced Details -->
     <string name="account_preferences_advanced_tab">Advanced</string>
-    <string name="account_dht_public_in_calls_label">Allow incoming calls form unknown contacts</string>
+    <string name="account_dht_public_in_calls_label">Allow incoming calls from unknown contacts</string>
     <string name="account_registration_exp_label">Registration Expire</string>
     <string name="account_local_interface_label">Local Interface</string>
     <string name="account_local_port_label">Local Port</string>