diff --git a/src/xrt/auxiliary/math/m_api.h b/src/xrt/auxiliary/math/m_api.h
index e64383469..b6444128d 100644
--- a/src/xrt/auxiliary/math/m_api.h
+++ b/src/xrt/auxiliary/math/m_api.h
@@ -406,7 +406,7 @@ math_quat_from_swing(const struct xrt_vec2 *swing, struct xrt_quat *result);
  * Converts a 2D vector and a float to a quaternion
  *
  * @relates xrt_quat
- * @ingorup aux_math
+ * @ingroup aux_math
  */
 void
 math_quat_from_swing_twist(const struct xrt_vec2 *swing, const float twist, struct xrt_quat *result);