Update README.md

Author: pH-7

README.md

@@ -89,7 +89,7 @@ These values are based on common EMF safety recommendations but may vary dependi
 - expo-notifications (for exposure alerts)
 
 
-## Who Created This EMF Detector App?
+## Who Built This EMF Detector Mobile App?
 
 [![Pierre-Henry Soria](https://s.gravatar.com/avatar/a210fe61253c43c869d71eaed0e90149?s=200)](https://PH7.me "Pierre-Henry Soria’s personal website")