diff --git a/Cargo.lock b/Cargo.lock
index 084c600..623e88b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,4 +4,4 @@ version = 3
 
 [[package]]
 name = "motion"
-version = "0.1.5"
+version = "0.1.6"
diff --git a/Cargo.toml b/Cargo.toml
index 38dde1e..def6f9c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "motion"
-version = "0.1.5"
+version = "0.1.6"
 edition = "2021"
 authors = ["Juanperias"]
 description = "A bare metal physics engine."
diff --git a/README.md b/README.md
index 9500e75..9ffd0d0 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ let's start by making a simple event loop
 ```rust
 use std::{thread, time::Duration};
 
-use motion::event_loop::{EventLoop, EventLoopConfig};
+use motion::event_loop::EventLoopBuilder;
 
 // The definition of this function depends on the context in which motion is used
 fn sleep(duration: Duration) {
@@ -19,7 +19,7 @@ fn sleep(duration: Duration) {
 }
 
 fn main() {
-    let el = EventLoop::new(EventLoopConfig { fps: 1 });
+    let el = EventLoopBuilder::new().fps(1).build();
 
     el.start(|_config| println!("Hello! in the event loop"), sleep);
 }
diff --git a/src/forces/force.rs b/src/forces/force.rs
index 09c59c3..71b70fc 100644
--- a/src/forces/force.rs
+++ b/src/forces/force.rs
@@ -10,7 +10,7 @@ use crate::obj::obj_2d::Object2d;
 /// struct Gravity;
 ///
 /// impl Force for Gravity {
-///     fn apply_2d(&self, obj: &mut Object2d) {
+///     fn apply_2d(&mut self, obj: &Object2d) {
 ///         // Apply gravitational force to obj
 ///     }
 /// }
diff --git a/src/lib.rs b/src/lib.rs
index c3fce0e..e5f256c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -11,13 +11,16 @@
 //! With this you already have record installed in your project, you can start with a simple event loop
 //!```rust
 //!use std::{thread, time::Duration};
-//!use motion::event_loop::{EventLoop, EventLoopConfig};
-//! // The definition of this function depends on the context in which motion is used
+//!
+//!use motion::event_loop::EventLoopBuilder;
+//!
+// The definition of this function depends on the context in which motion is used
 //!fn sleep(duration: Duration) {
-//!   thread::sleep(duration);
+//!    thread::sleep(duration);
 //!}
+//!
 //!fn main() {
-//!    let el = EventLoop::new(EventLoopConfig { fps: 1 });
+//!    let el = EventLoopBuilder::new().fps(1).build();
 //!
 //!    el.start(|_config| println!("Hello! in the event loop"), sleep);
 //!}