diff --git a/README.md b/README.md
index d146bcaa388f033dcf572b2fdeb34189d381bca7..dc9be8144f26e963c1e6ebe9d2f452371a17eb13 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ RCFS is a collection of source codes to study robotics through simple 2D example
 | LQT_CP | LQT with control primitives applied to a viapoint task (batch formulation) | ✅ | ✅ |  |  |
 | LQT_CP_DMP | LQT with control primitives applied to trajectory tracking with a formulation similar to dynamical movement primitives (DMP), by using the least squares formulation of recursive LQR on an augmented state space | ✅ | ✅ |  |  |
 | iLQR_obstacle | Iterative linear quadratic regulator (iLQR) applied to a viapoint task with obstacles avoidance (batch formulation) | ✅ | ✅ |  |  |
-| iLQR_obstacle_GPIS | iLQR with obstacles represented as Gaussian process implicit surfaces (GPIS) | ✅ | ✅ |  |  |
+| iLQR_obstacle_GPIS | iLQR with obstacles represented as Gaussian process implicit surfaces (GPIS) | ✅ |  | ✅ |  |
 | iLQR_manipulator | iLQR applied to a planar manipulator for a viapoints task (batch formulation) | ✅ | ✅ | ✅ |  |
 | iLQR_manipulator_recursive | iLQR applied to a planar manipulator for a viapoints task (recursive formulation to find a controller) | ✅ | ✅ |  |  |
 | iLQR_manipulator_CoM | iLQR applied to a planar manipulator for a tracking problem involving the center of mass (CoM) and the end-effector (batch formulation) | ✅ | ✅ |  |  |