Copy change from docs PR#143 (#1910)

Author: sdwheeler

docs/Rules/PossibleIncorrectComparisonWithNull.md

@@ -66,7 +66,7 @@ This is how the comparison operator works by-design. But, as demonstrated, this
 to non-intuitive behavior, especially when the intent is simple test for null.
 
 The following example demonstrates the designed behavior of the comparison operator when the
-left-hand side is a collection. Each element in the collection is compared the right-hand side
+left-hand side is a collection. Each element in the collection is compared to the right-hand side
 value. When true, that element of the collection is returned.
 
 ```powershell