diff --git a/nalgebra-glm/src/gtc/constants.rs b/nalgebra-glm/src/gtc/constants.rs
index 10f387a4..5e2e1b0d 100644
--- a/nalgebra-glm/src/gtc/constants.rs
+++ b/nalgebra-glm/src/gtc/constants.rs
@@ -1,11 +1,13 @@
 use na::{self, Real};
 
-/// The euler constant.
+/// The Euler constant.
+///
+/// This is a shorthand alias for [`euler`](fn.euler.html).
 pub fn e<N: Real>() -> N {
     N::e()
 }
 
-/// The euler constant.
+/// The Euler constant.
 pub fn euler<N: Real>() -> N {
     N::e()
 }
diff --git a/nalgebra-glm/src/gtc/quaternion.rs b/nalgebra-glm/src/gtc/quaternion.rs
index 4487dbc0..15793605 100644
--- a/nalgebra-glm/src/gtc/quaternion.rs
+++ b/nalgebra-glm/src/gtc/quaternion.rs
@@ -50,19 +50,19 @@ pub fn quat_look_at_rh<N: Real>(direction: &TVec3<N>, up: &TVec3<N>) -> Qua<N> {
     UnitQuaternion::look_at_rh(direction, up).unwrap()
 }
 
-/// The "roll" euler angle of the quaternion `x` assumed to be normalized.
+/// The "roll" Euler angle of the quaternion `x` assumed to be normalized.
 pub fn quat_roll<N: Real>(x: &Qua<N>) -> N {
     // FIXME: optimize this.
     quat_euler_angles(x).z
 }
 
-/// The "yaw" euler angle of the quaternion `x` assumed to be normalized.
+/// The "yaw" Euler angle of the quaternion `x` assumed to be normalized.
 pub fn quat_yaw<N: Real>(x: &Qua<N>) -> N {
     // FIXME: optimize this.
     quat_euler_angles(x).y
 }
 
-/// The "pitch" euler angle of the quaternion `x` assumed to be normalized.
+/// The "pitch" Euler angle of the quaternion `x` assumed to be normalized.
 pub fn quat_pitch<N: Real>(x: &Qua<N>) -> N {
     // FIXME: optimize this.
     quat_euler_angles(x).x