diff --git a/algoim/organizer/loader.hpp b/algoim/organizer/loader.hpp
index 163cb69..8f7b96f 100644
--- a/algoim/organizer/loader.hpp
+++ b/algoim/organizer/loader.hpp
@@ -154,7 +154,7 @@ class Loader
 {
 public:
     /**
-     * @brief Union two visible primitive node, result will be writen to first noed
+     * @brief Union two visible primitive node, result will be writen to first node
      * @param[in] body1 The first index of primitive node
      * @param[in] body2 The second index of primitive node
      */
@@ -176,7 +176,7 @@ public:
     }
 
     /**
-     * @brief Intersect two visible primitive node, result will be writen to first noed
+     * @brief Intersect two visible primitive node, result will be writen to first node
      * @param[in] body1 The first index of primitive node
      * @param[in] body2 The second index of primitive node
      */
@@ -196,7 +196,7 @@ public:
     }
 
     /**
-     * @brief Difference two visible primitive node, result will be writen to first noed
+     * @brief Difference two visible primitive node, result will be writen to first node
      * @param[in] body1 The first index of primitive node
      * @param[in] body2 The second index of primitive node
      */
@@ -252,7 +252,7 @@ public:
      * @brief Add a extrude body to csg tree
      * @param[in] points All the bottom point which define the base face
      * @param[in] bulges All the bulge on each edge of the base face
-     * @param[in] extusion The Stretch direction and length
+     * @param[in] extusion The stretch direction and length
      * @return The index of the added extrude body
      */
     BodyTag addExtrude(const std::vector<Point3D>& points, const std::vector<double>& bulges, const Vector3D& extusion)
@@ -357,8 +357,8 @@ public:
      * @brief Add a cone body to csg tree
      * @param[in] topPoint The top point of the cone
      * @param[in] bottomPoint The bottom point of the cone
-     * @param[in] radius1 The radius of the top point
-     * @param[in] radius2 The radius of the bottom point
+     * @param[in] radius1 The radius of the top face
+     * @param[in] radius2 The radius of the bottom face
      * @return The index of the added cone body
      */
     BodyTag addCone(const Point3D& topPoint, const Point3D& bottomPoint, const double radius1, const double radius2)
@@ -838,7 +838,7 @@ protected:
      * @brief Add a extrude body to csg tree with only two points
      * @param[in] points All the bottom point which define the base face
      * @param[in] bulges All the bulge on each edge of the base face
-     * @param[in] extusion The Stretch direction and length
+     * @param[in] extusion The stretch direction and length
      * @return The index of the added extrude body
      */
     BodyTag addExtrudeWithTwoPoint(const std::vector<Point3D>& points,