diff --git a/nalgebra-glm/src/ext/matrix_clip_space.rs b/nalgebra-glm/src/ext/matrix_clip_space.rs
index 260c5196..5ee725ae 100644
--- a/nalgebra-glm/src/ext/matrix_clip_space.rs
+++ b/nalgebra-glm/src/ext/matrix_clip_space.rs
@@ -530,7 +530,7 @@ pub fn perspective_lh_no<N: RealField>(aspect: N, fovy: N, near: N, far: N) -> T
     );
     assert!(
         !relative_eq!(aspect, N::zero()),
-        "The apsect ratio must not be zero."
+        "The aspect ratio must not be zero."
     );
 
     let one = N::one();
@@ -566,7 +566,7 @@ pub fn perspective_lh_zo<N: RealField>(aspect: N, fovy: N, near: N, far: N) -> T
     );
     assert!(
         !relative_eq!(aspect, N::zero()),
-        "The apsect ratio must not be zero."
+        "The aspect ratio must not be zero."
     );
 
     let one = N::one();
@@ -632,7 +632,7 @@ pub fn perspective_rh_no<N: RealField>(aspect: N, fovy: N, near: N, far: N) -> T
     );
     assert!(
         !relative_eq!(aspect, N::zero()),
-        "The apsect ratio must not be zero."
+        "The aspect ratio must not be zero."
     );
 
     let negone = -N::one();
@@ -669,7 +669,7 @@ pub fn perspective_rh_zo<N: RealField>(aspect: N, fovy: N, near: N, far: N) -> T
     );
     assert!(
         !relative_eq!(aspect, N::zero()),
-        "The apsect ratio must not be zero."
+        "The aspect ratio must not be zero."
     );
 
     let negone = -N::one();
diff --git a/src/geometry/orthographic.rs b/src/geometry/orthographic.rs
index a7d5372f..c9bc76e6 100644
--- a/src/geometry/orthographic.rs
+++ b/src/geometry/orthographic.rs
@@ -151,7 +151,7 @@ impl<N: RealField> Orthographic3<N> {
         );
         assert!(
             !relative_eq!(aspect, N::zero()),
-            "The apsect ratio must not be zero."
+            "The aspect ratio must not be zero."
         );
 
         let half: N = crate::convert(0.5);
diff --git a/src/geometry/perspective.rs b/src/geometry/perspective.rs
index 325a450c..ed7649fd 100644
--- a/src/geometry/perspective.rs
+++ b/src/geometry/perspective.rs
@@ -75,7 +75,7 @@ impl<N: RealField> Perspective3<N> {
         );
         assert!(
             !relative_eq!(aspect, N::zero()),
-            "The apsect ratio must not be zero."
+            "The aspect ratio must not be zero."
         );
 
         let matrix = Matrix4::identity();