diff --git a/core/src/processing/core/PGraphics.java b/core/src/processing/core/PGraphics.java
index 89f77d99e..9210b65d0 100644
--- a/core/src/processing/core/PGraphics.java
+++ b/core/src/processing/core/PGraphics.java
@@ -1321,6 +1321,7 @@ public class PGraphics extends PImage implements PConstants {
  * @see PGraphics#beginShape(int)
  * @see PGraphics#endShape(int)
  * @see PGraphics#bezierVertex(float, float, float, float, float, float, float, float, float)
+ * @see PGraphics#quadraticVertex(float, float, float, float, float, float)
  * @see PGraphics#curveVertex(float, float, float)
  * @see PGraphics#texture(PImage)
  */
@@ -1475,6 +1476,7 @@ public class PGraphics extends PImage implements PConstants {
  * @param z4 the z-coordinate of the anchor point
  * @see PGraphics#curveVertex(float, float, float)
  * @see PGraphics#vertex(float, float, float, float, float)
+ * @see PGraphics#quadraticVertex(float, float, float, float, float, float)
  * @see PGraphics#bezier(float, float, float, float, float, float, float, float, float, float, float, float)
  */
   public void bezierVertex(float x2, float y2, float z2,
@@ -1509,7 +1511,17 @@ public class PGraphics extends PImage implements PConstants {
     }
   }
 
-
+  /**
+   * @webref shape:vertex
+   * @param cx the x-coordinate of the control point
+   * @param cy the y-coordinate of the control point
+   * @param x3 the x-coordinate of the anchor point
+   * @param y3 the y-coordinate of the anchor point
+   * @see PGraphics#curveVertex(float, float, float)
+   * @see PGraphics#vertex(float, float, float, float, float)
+   * @see PGraphics#bezierVertex(float, float, float, float, float, float)
+   * @see PGraphics#bezier(float, float, float, float, float, float, float, float, float, float, float, float)
+   */
   public void quadraticVertex(float cx, float cy,
                               float x3, float y3) {
     float[] prev = vertices[vertexCount-1];
@@ -1521,7 +1533,10 @@ public class PGraphics extends PImage implements PConstants {
                  x3, y3);
   }
 
-
+  /**
+   * @param cx the z-coordinate of the control point
+   * @param z3 the z-coordinate of the anchor point
+   */
   public void quadraticVertex(float cx, float cy, float cz,
                               float x3, float y3, float z3) {
     float[] prev = vertices[vertexCount-1];
@@ -1583,6 +1598,7 @@ public class PGraphics extends PImage implements PConstants {
   * @see PGraphics#endShape(int)
   * @see PGraphics#vertex(float, float, float, float, float)
   * @see PGraphics#bezier(float, float, float, float, float, float, float, float, float, float, float, float)
+  * @see PGraphics#quadraticVertex(float, float, float, float, float, float)
   */
   public void curveVertex(float x, float y) {
     curveVertexCheck();