Correct inaccuracy in recursion description. (#554)

examples/recursion/recursion.go

@@ -18,9 +18,9 @@ func fact(n int) int {
 func main() {
 	fmt.Println(fact(7))
 
-	// Closures can also be recursive, but this requires the
-	// closure to be declared with a typed `var` explicitly
-	// before it's defined.
+	// Anonymous functions can also be recursive, but this requires
+	// explicitly declaring a variable with `var` to store
+	// the function before it's defined.
 	var fib func(n int) int
 
 	fib = func(n int) int {

examples/recursion/recursion.hash

@@ -1,2 +1,2 @@
-cdbd1a6957b3e2d7d9baa9efe4581ba4f8f3e753
-MBTKk9VpAiK
+5787b4a187dc208dcdae43c7fdc0ba19b821ed94
+k4IRATLn9cE

public/recursion

@@ -46,7 +46,7 @@ Here&rsquo;s a classic example.</p>
             
           </td>
           <td class="code leading">
-            <a href="https://go.dev/play/p/MBTKk9VpAiK"><img title="Run code" src="play.png" class="run" /></a><img title="Copy code" src="clipboard.png" class="copy" />
+            <a href="https://go.dev/play/p/k4IRATLn9cE"><img title="Run code" src="play.png" class="run" /></a><img title="Copy code" src="clipboard.png" class="copy" />
           <pre class="chroma"><code><span class="line"><span class="cl"><span class="kn">package</span> <span class="nx">main</span></span></span></code></pre>
           </td>
         </tr>
@@ -91,9 +91,9 @@ base case of <code>fact(0)</code>.</p>
         
         <tr>
           <td class="docs">
-            <p>Closures can also be recursive, but this requires the
-closure to be declared with a typed <code>var</code> explicitly
-before it&rsquo;s defined.</p>
+            <p>Anonymous functions can also be recursive, but this requires
+explicitly declaring a variable with <code>var</code> to store
+the function before it&rsquo;s defined.</p>
 
           </td>
           <td class="code leading">