diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 0284a153..8f13e610 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -168,7 +168,7 @@
     <string name="aec_help">If checked, echo cancellation is attempted on call audio.</string>
     <string name="opus_bit_rate">Opus Bit Rate</string>
     <string name="opus_bit_rate_help">Average maximum bit rate used by Opus audio stream.
-        Valid value are 6000-510000. Factory default is 28000.</string>
+        Valid values are 6000-510000. Factory default is 28000.</string>
     <string name="_28000" translatable="false">28000</string>
     <string name="ice_lite_mode">ICE Lite Mode</string>
     <string name="ice_lite_mode_help">If checked, ICE Lite Mode is used.</string>