diff --git a/docs/examples/gameofLife.md b/docs/examples/gameofLife.md
index 5e8f23fc..79fe3974 100644
--- a/docs/examples/gameofLife.md
+++ b/docs/examples/gameofLife.md
@@ -119,10 +119,10 @@ function gameOfLife() {
                 count++;
             }
 
-            // Toggle live\dead cells based on the count.
+            // Toggle live / dead cells based on the neighbour count.
             // Any live cell with fewer than two live neighbours dies, as if caused by underpopulation.
             // Any live cell with two or three live neighbours lives on to the next generation.
-            // Any dead cell with exactly three live neighbours becomes a live cell, as if by reproduction            
+            // Any dead cell with exactly three live neighbours becomes a live cell, as if by reproduction.
             // Any live cell with more than three live neighbours dies, as if by overpopulation.
             switch (count) {
                 case 0: setState(result, x, y, false); break;
diff --git a/libs/core/helpers.ts b/libs/core/helpers.ts
index 8c18311b..36cbf662 100644
--- a/libs/core/helpers.ts
+++ b/libs/core/helpers.ts
@@ -12,7 +12,6 @@ namespace Math {
     //% blockId=logic_random block="pick random true or false"
     //% help=math/random-boolean weight=0
     export function randomBoolean(): boolean {
-        const v = Math.randomRange(0, 1) * 2;
-        return 1 == Math.floor(v);
+        return Math.randomRange(0, 1) === 1;
     }
 }
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