diff --git a/docs/api/en/math/Matrix4.html b/docs/api/en/math/Matrix4.html
index 97c29d63e5de0e..822eb6f25139ee 100644
--- a/docs/api/en/math/Matrix4.html
+++ b/docs/api/en/math/Matrix4.html
@@ -36,7 +36,7 @@ <h1>[name]</h1>
 				</li>
 			</ul>
 
-			[page:Camera Cameras] have two additional Matrix4s:
+			[page:Camera Cameras] have three additional Matrix4s:
 			<ul>
 				<li>
 					[page:Camera.matrixWorldInverse]: The view matrix - the inverse of the Camera's [page:Object3D.matrixWorld matrixWorld].
@@ -44,6 +44,9 @@ <h1>[name]</h1>
 				<li>
 					[page:Camera.projectionMatrix]: Represents the information how to project the scene to clip space.
 				</li>
+				<li>
+					[page:Camera.projectionMatrixInverse]: The inverse of projectionMatrix.
+				</li>
 			</ul>
 			Note: [page:Object3D.normalMatrix] is not a Matrix4, but a [page:Matrix3].
 		</p>