diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index a02865cbe..2e64c5129 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -796,7 +796,7 @@
     <string name="hide_guide_text">Hide Guide</string>
 
     <string name="wave_gen_guide_intro">The wave generator can be used to generate different types of waves like
-        Sine wave, Square wave, Saw Tooth wave and allow us to changes their characteristics like frequency, phase, duty.
+        Sine wave, square wave and saw-tooth wave allow us to change their characteristics like frequency, phase and duty.
         \nIt also allows us to produce PWM signals having different phase and duty.</string>
 
     <string name="sine_wave_instn">