Update how-to-execute.md

Author: estevao-schultz-neto-SAP

pages/how-to-execute.md

@@ -4,11 +4,15 @@
 
 ## How to Execute
 
-You can simulate the checks using the provided `Y_DEMO_FAILURES` class.
+You can simulate the checks using the provided `Y_DEMO_FAILURES` class (delivered along with the tookit).
 
 ### SAP GUI
 
-You can execute via `Code Inspector` and `ABAP Test Cockpit (ATC)` in most of the transactions as usual. However, you have to inform your global check variant.
+It is possible to execute the "code pal for ABAP checks" against your objects via:
+
+1. `Code Inspector` (transactions SCI and SCII);
+2. `ABAP Test Cockpit (ATC)` in CI-mode by informing a check variant. (in most of the ATC transactions/interfaces as usual; e.g.: SE80 --> right mouse-click --> Check --> ATC with...);
+3. `SUT - ABAP CHECK REPORT` running with in a CI-mode (flavour) and also informing a check variant;  
 
 #### ABAP Test Cockpit (ATC)