typo error

ShapeBufferGemoetry -> ShapeBufferGeometry

examples/webgl_geometry_shapes.html

@@ -75,7 +75,7 @@
 				function addShape( shape, extrudeSettings, color, x, y, z, rx, ry, rz, s ) {
 
 					// flat shape with texture
-					// note: default UVs generated by ShapeBufferGemoetry are simply the x- and y-coordinates of the vertices
+					// note: default UVs generated by ShapeBufferGeometry are simply the x- and y-coordinates of the vertices
 
 					var geometry = new THREE.ShapeBufferGeometry( shape );