Fix metadata of the whitespace rule (#4551)

src/rules/whitespaceRule.ts

@@ -40,7 +40,7 @@ export class Rule extends Lint.Rules.AbstractRule {
         description: "Enforces whitespace style conventions.",
         rationale: "Helps maintain a readable, consistent style in your codebase.",
         optionsDescription: Lint.Utils.dedent`
-            Ten arguments may be optionally provided:
+            Several arguments may be optionally provided:
 
             * \`"check-branch"\` checks branching statements (\`if\`/\`else\`/\`for\`/\`while\`) are followed by whitespace.
             * \`"check-decl"\`checks that variable declarations have whitespace around the equals token.