diff --git a/README.md b/README.md
index fa01d5e..67e6917 100644
--- a/README.md
+++ b/README.md
@@ -2922,7 +2922,7 @@ screen = pg.display.set_mode((500, 500))
 rect = pg.Rect(240, 240, 20, 20)
 while all(event.type != pg.QUIT for event in pg.event.get()):
     deltas = {pg.K_UP: (0, -3), pg.K_RIGHT: (3, 0), pg.K_DOWN: (0, 3), pg.K_LEFT: (-3, 0)}
-    for delta in {deltas.get(i) for i, on in enumerate(pg.key.get_pressed()) if on}:
+    for delta in (deltas.get(i) for i, on in enumerate(pg.key.get_pressed()) if on):
         rect = rect.move(delta) if delta else rect
     screen.fill((0, 0, 0))
     pg.draw.rect(screen, (255, 255, 255), rect)
diff --git a/index.html b/index.html
index b0c4aad..5ff6b75 100644
--- a/index.html
+++ b/index.html
@@ -2485,7 +2485,7 @@ screen = pg.display.set_mode((<span class="hljs-number">500</span>, <span class=
 rect = pg.Rect(<span class="hljs-number">240</span>, <span class="hljs-number">240</span>, <span class="hljs-number">20</span>, <span class="hljs-number">20</span>)
 <span class="hljs-keyword">while</span> all(event.type != pg.QUIT <span class="hljs-keyword">for</span> event <span class="hljs-keyword">in</span> pg.event.get()):
     deltas = {pg.K_UP: (<span class="hljs-number">0</span>, <span class="hljs-number">-3</span>), pg.K_RIGHT: (<span class="hljs-number">3</span>, <span class="hljs-number">0</span>), pg.K_DOWN: (<span class="hljs-number">0</span>, <span class="hljs-number">3</span>), pg.K_LEFT: (<span class="hljs-number">-3</span>, <span class="hljs-number">0</span>)}
-    <span class="hljs-keyword">for</span> delta <span class="hljs-keyword">in</span> {deltas.get(i) <span class="hljs-keyword">for</span> i, on <span class="hljs-keyword">in</span> enumerate(pg.key.get_pressed()) <span class="hljs-keyword">if</span> on}:
+    <span class="hljs-keyword">for</span> delta <span class="hljs-keyword">in</span> (deltas.get(i) <span class="hljs-keyword">for</span> i, on <span class="hljs-keyword">in</span> enumerate(pg.key.get_pressed()) <span class="hljs-keyword">if</span> on):
         rect = rect.move(delta) <span class="hljs-keyword">if</span> delta <span class="hljs-keyword">else</span> rect
     screen.fill((<span class="hljs-number">0</span>, <span class="hljs-number">0</span>, <span class="hljs-number">0</span>))
     pg.draw.rect(screen, (<span class="hljs-number">255</span>, <span class="hljs-number">255</span>, <span class="hljs-number">255</span>), rect)