diff --git a/content/docs/http2.md b/content/docs/http2.md
index 51951fb..2d7dfe1 100644
--- a/content/docs/http2.md
+++ b/content/docs/http2.md
@@ -21,7 +21,7 @@ weight: 250
 actix-web = { version = "{{< actix-version "actix-web" >}}", features = ["ssl"] }
 openssl = { version = "0.10", features = ["v110"] }
 ```
-{{< include-example example="http20" file="main.rs" section="main" >}}
+{{< include-example example="http2" file="main.rs" section="main" >}}
 
 Upgrades to *HTTP/2.0* schema described in
 [rfc section 3.2](https://http2.github.io/http2-spec/#rfc.section.3.2) is not supported.
diff --git a/examples/Cargo.toml b/examples/Cargo.toml
index 75fe191..e0cd8ca 100644
--- a/examples/Cargo.toml
+++ b/examples/Cargo.toml
@@ -24,7 +24,7 @@ exclude = [
   "middleware",
   "static-files",
   "websockets",
-  "http20",
+  "http2",
   "databases",
   "og_databases",
   "sentry",
diff --git a/examples/http20/Cargo.toml b/examples/http2/Cargo.toml
similarity index 91%
rename from examples/http20/Cargo.toml
rename to examples/http2/Cargo.toml
index 7796cce..9d376ce 100644
--- a/examples/http20/Cargo.toml
+++ b/examples/http2/Cargo.toml
@@ -1,5 +1,5 @@
 [package]
-name = "http20"
+name = "http2"
 version = "0.1.0"
 edition = "2018"
 
diff --git a/examples/http20/src/main.rs b/examples/http2/src/main.rs
similarity index 74%
rename from examples/http20/src/main.rs
rename to examples/http2/src/main.rs
index 6395581..a985211 100644
--- a/examples/http20/src/main.rs
+++ b/examples/http2/src/main.rs
@@ -8,6 +8,8 @@ fn index(_req: HttpRequest) -> impl Responder {
 
 fn main() {
     // load ssl keys
+    // to create a self-signed temporary cert for testing:
+    // `openssl req -x509 -newkey rsa:4096 -nodes -keyout key.pem -out cert.pem -days 365 -subj '/CN=localhost'`
     let mut builder = SslAcceptor::mozilla_intermediate(SslMethod::tls()).unwrap();
     builder
         .set_private_key_file("key.pem", SslFiletype::PEM)
@@ -16,6 +18,8 @@ fn main() {
 
     HttpServer::new(|| App::new().route("/", web::get().to(index)))
         .bind_ssl("127.0.0.1:8088", builder)
+        .unwrap()
+        .run()
         .unwrap();
 }
 // </main>