correct comment typo (#21703)

&& -> ||


https://github.com/bevyengine/bevy/blob/906bc14d735b0f29ca4faf1c3f39aff9080da94a/crates/bevy_ecs/src/schedule/condition.rs#L1167-L1168

Author: baozaolaoba-top

crates/bevy_ecs/src/schedule/condition.rs

@@ -1164,7 +1164,7 @@ pub type And<A, B> = CombinatorSystem<AndMarker, A, B>;
 /// Combines and inverts the outputs of two systems using the `&&` and `!` operators.
 pub type Nand<A, B> = CombinatorSystem<NandMarker, A, B>;
 
-/// Combines and inverts the outputs of two systems using the `&&` and `!` operators.
+/// Combines and inverts the outputs of two systems using the `||` and `!` operators.
 pub type Nor<A, B> = CombinatorSystem<NorMarker, A, B>;
 
 /// Combines the outputs of two systems using the `||` operator.