Swift: fix QLDoc typos

Co-authored-by: Geoffrey White <[email protected]>

Author: rdmarsh2

swift/ql/lib/codeql/swift/elements/expr/AutoClosureExpr.qll

@@ -5,7 +5,7 @@ private import codeql.swift.elements.expr.Expr
 /**
  * A Swift autoclosure expression, that is, a closure automatically generated
  * around an argument when the parameter has the `@autoclosure` attribute or
- * for the rtight-hand operand of short-circuiting logical operations. For
+ * for the right-hand operand of short-circuiting logical operations. For
  * example, there is an `AutoClosureExpr` around the value `0` in:
  * ```
  * func myFunction(_ expr: @autoclosure () -> Int) {