diff --git a/.gitignore b/.gitignore
index c360d95..8281286 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+_book
 dist
 node_modules
 *.gcno
diff --git a/docs/qtpromise/qpromise/wait.md b/docs/qtpromise/qpromise/wait.md
index e8795d0..f2307ac 100644
--- a/docs/qtpromise/qpromise/wait.md
+++ b/docs/qtpromise/qpromise/wait.md
@@ -4,18 +4,20 @@
 QPromise<T>::wait() -> QPromise<T>
 ```
 
-This method holds the execution of the remaining code **without** blocking the event loop of the current thread:
+This method holds the execution of the remaining code until the `input` promise is resolved (either fulfilled or rejected), **without** blocking the event loop of the current thread:
 
 ```cpp
 int result = -1;
-QPromise<int> input = qPromise(QtConcurrent::run([]() { return 42; }));
-auto output = input.then([&](int res) {
+
+QPromise<int> input = qPromise(QtConcurrent::run([]() {
+    return 42;
+})).tap([&](int res) {
     result = res;
 });
 
-// output.isPending() is true && result is -1
+// input.isPending() is true && result is -1
 
-output.wait();
+input.wait();
 
-// output.isPending() is false && result is 42
+// input.isPending() is false && result is 42
 ```