fix: typo and page title

src/pages/write-smart-contracts/counter-tutorial.md

@@ -192,7 +192,7 @@ counter in the console:
 (contract-call? .counter increment)
 ```
 
-The console should return (ok 1). Try calling the `decrement` function to decrement the counter back to 0.
+The console should return `(ok 1)`. Try calling the `decrement` function to decrement the counter back to 0.
 
 ```clarity
 (contract-call? .counter decrement)

src/pages/write-smart-contracts/testing-contracts.md

@@ -1,5 +1,5 @@
 ---
-title: Testing Clarity code
+title: Testing Clarity code with JS and Mocha
 description: Learn to Test Clarity Contract Code with JavaScript and Mocha.
 experience: advanced
 duration: 15 minutes