chore: fix typos in src/main/java/com/thealgorithms/divideandconquer/ClosestPair.java (#7034)

Fix typos in src/main/java/com/thealgorithms/divideandconquer/ClosestPair.java

Co-authored-by: a <19151554+alxkm@users.noreply.github.com>

Author: Lê Nam Khánh

src/main/java/com/thealgorithms/divideandconquer/ClosestPair.java

@@ -182,7 +182,7 @@ public double closestPair(final Location[] a, final int indexNum) {
 
         double minLeftArea; // Minimum length of left array
         double minRightArea; // Minimum length of right array
-        double minValue; // Minimum lengt
+        double minValue; // Minimum length
 
         minLeftArea = closestPair(leftArray, divideX); // recursive closestPair
         minRightArea = closestPair(rightArray, indexNum - divideX);