Update wording

Co-authored-by: Carter Kucala <[email protected]>

wca-regulations.md

@@ -416,7 +416,7 @@ Note: Because Article and Regulation numbers are not reassigned when Regulations
 - A4) Starting the solve:
     - A4b) The competitor uses their fingers to touch the elevated sensor surfaces of the Stackmat timer. The competitor's palms must be facing down, and located on the side of the timer that is closer to the competitor. Penalty: time penalty (+2 seconds).
         - A4b1) The competitor must have no physical contact with the puzzle while starting the solve. Penalty: time penalty (+2 seconds).
-    - A4d) If a Stackmat timer is in use, the competitor should keep their hands on the timer until they see a green timer light. They start the solve by removing their hands from the timer and starting the timer.
+    - A4d) If a Stackmat timer is in use, the competitor should keep their hands on the timer until they see a green timer light. The timer is started when they remove their hand(s) from the timer. The competitor starts the solve by starting the timer.
         - A4d1) The competitor must start the solve within 15 seconds of the start of the inspection. Penalty: time penalty (+2 seconds).
         - A4d2) The competitor must start the solve within 17 seconds of the start of the inspection. Penalty: disqualification of the attempt (DNF).
         - A4d3) If a stopwatch is in use, the judge starts the stopwatch as soon as the competitor starts the solve.