diff --git a/nalgebra-glm/src/ext/matrix_projection.rs b/nalgebra-glm/src/ext/matrix_projection.rs
index 5a340e4a..8b445b5f 100644
--- a/nalgebra-glm/src/ext/matrix_projection.rs
+++ b/nalgebra-glm/src/ext/matrix_projection.rs
@@ -6,8 +6,8 @@ use aliases::{TVec2, TVec3, TVec4, TMat4};
 ///
 /// # Parameters
 ///     * `center`: Specify the center of a picking region in window coordinates.
-//      * `delta`: Specify the width and height, respectively, of the picking region in window coordinates.
-//      * `viewport`: Rendering viewport
+///     * `delta`: Specify the width and height, respectively, of the picking region in window coordinates.
+///     * `viewport`: Rendering viewport
 pub fn pick_matrix<N: Real>(center: &TVec2<N>, delta: &TVec2<N>, viewport: &TVec4<N>) -> TMat4<N> {
     let shift = TVec3::new(
         (viewport.z - (center.x - viewport.x) * na::convert(2.0)) / delta.x,