diff --git a/res/values/strings.xml b/res/values/strings.xml
index 6ff9c1a4bc9..62198023be7 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -4097,10 +4097,14 @@
          a voice interaction or recognition service to use. -->
     <string name="voice_service_preference_section_title">Voice input services</string>
     <!-- [CHAR LIMIT=NONE] The summary text for the voice service preference that is
-         a full voice interaction service. -->
+         a full voice interaction service.  This is something that provides interactive
+         voice control of applications; for example you can tell it commands to have it
+         launch and let you interact with applications through your voice. -->
     <string name="voice_interactor_preference_summary">Full voice interaction</string>
     <!-- [CHAR LIMIT=NONE] The summary text for the voice service preference that is
-         a simple voice recognition service. -->
+         a simple voice recognition service.  This is something that only provides simple
+         speech to text conversions that applications can use when they want to allow you
+         to provide text to them through your voice (instead of with a keyboard). -->
     <string name="voice_recognizer_preference_summary">Simple voice recognition</string>
     <!-- [CHAR_LIMIT=NONE] Warning message about security implications of enabling a
          voice interaction service, displayed as a dialog