typo

content/3_Silver/Sorting_Custom.mdx

@@ -150,7 +150,7 @@ In C++, its comparators must obey a set of behaviors.
 Let's call this comparator `compare`, and the objects it compares `x` and `y`.
 
 - If `x` is less than `y`, return `true`.
-- If `y` is greater than *or equal to* `y`, return `false`.
+- If `x` is greater than *or equal to* `y`, return `false`.
 - If `compare(x, y)` is `true`, then `compare(y, x)` must be false. (antisymmetry)
 - If `compare(x, y)` is `true` and `compare(y, z)` is `true`, then `compare(x, z)` must be true. (transitivity)
 
@@ -249,7 +249,7 @@ Let's call this comparator `compare`, and the objects it compares `x` and `y`.
 For `compare` to be valid, the following must be true:
 
 - If `x` is less than `y`, return `-1`.
-- If `y` is greater than `y`, return `1`.
+- If `x` is greater than `y`, return `1`.
 - If the two are equal, return `0`.
 - If `compare(x, y) > 0`, then `compare(y, x) < 0`. (antisymmetry)
 - If `compare(x, y) > 0` and `compare(y, z) > 0`, then `compare(x, z) > 0`. (transitivity)
@@ -386,7 +386,7 @@ Let's call this comparator `compare`, and the objects it compares `x` and `y`.
 For `compare` to be valid, the following must be true:
 
 - If `x` is less than `y`, return `-1`.
-- If `y` is greater than `y`, return `1`.
+- If `x` is greater than `y`, return `1`.
 - If the two are equal, return `0`.
 - If `compare(x, y) > 0`, then `compare(y, x) < 0`. (antisymmetry)
 - If `compare(x, y) > 0` and `compare(y, z) > 0`, then `compare(x, z) > 0`. (transitivity)