diff --git a/res/values/strings.xml b/res/values/strings.xml
index f300108b..20b0850e 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -56,8 +56,8 @@
     <string name="pref_about_summary"></string>    
 
     <string name="pref_sirf_gps_title">SiRF GPS</string>
-    <string name="pref_sirf_gps_summary_off">"Use SiRF Options"</string>
-    <string name="pref_sirf_gps_summary_on">"Don't SiRF Options"</string>
+    <string name="pref_sirf_gps_summary_on">"Use SiRF Options"</string>
+    <string name="pref_sirf_gps_summary_off">"Don't use SiRF Options"</string>
     <string name="pref_sirf_nmea_category_title">Choice of NMEA sentences</string>
     <string name="pref_sirf_gps_category_title">GPS operation</string>
     <string name="pref_enable_gga_title">Enable NMEA GGA</string>