diff --git a/src/Magnum/Math/Quaternion.h b/src/Magnum/Math/Quaternion.h
index be9fe94ac..7f88d7d48 100644
--- a/src/Magnum/Math/Quaternion.h
+++ b/src/Magnum/Math/Quaternion.h
@@ -61,7 +61,7 @@ template<class T> inline T dot(const Quaternion<T>& a, const Quaternion<T>& b) {
 @brief Angle between normalized quaternions
 
 Expects that both quaternions are normalized. @f[
-     \theta = \arccos \left( \frac{p \cdot q}{|p| |q|} \right) = \arccos(p \cdot q)
+    \theta = \arccos \left( \frac{p \cdot q}{|p| |q|} \right) = \arccos(p \cdot q)
 @f]
 
 To avoid numerical issues when two complex numbers are very close to each