Rename waitgroup-->waitgroups

examples/worker-pools/worker-pools.go

@@ -44,7 +44,7 @@ func main() {
     // Finally we collect all the results of the work.
     // This also ensures that the worker goroutines have
     // finished. An alternative way to wait for multiple
-    // goroutines is to use a [WaitGroup](waitgroup).
+    // goroutines is to use a [WaitGroup](waitgroups).
     for a := 1; a <= 5; a++ {
         <-results
     }

examples/worker-pools/worker-pools.hash

@@ -1,2 +1,2 @@
-3f7712d470dcbfc0cdddc939bb80814baaff8bb0
-Q5r-XtrWWL-
+bc69c6602d438413dcb9ceac112299ee253e4575
+yuHsGf712D1