Update examples/tutorials/dynamic-apps-and-policies/process_manager/README.md

Co-authored-by: Amit Levy <[email protected]>

Author: bradjc

examples/tutorials/dynamic-apps-and-policies/process_manager/README.md

@@ -1,5 +1,5 @@
 Process Manager App
 ===================
 
-This app is GUI-based to allow developers to explore the applications installed
+This is a GUI-based application to allow developers to explore the applications installed
 and running on a board.