diff --git a/README.md b/README.md
index e13c2d4..5044eac 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,7 @@ The `SiftPlan` object provides a plan for computing the SIFT descriptors of a gi
 ```python
 import sift_pyocl as sift
 siftPlan = sift.SiftPlan(img.shape, img.dtype, devicetype="GPU")
-kp = siftp.keypoints(img)
+kp = siftPlan.keypoints(img)
 ```
 
 
@@ -52,7 +52,7 @@ The `MatchPlan` objects provides a plan for matching the descriptors of two imag
 
 ```
 matchPlan = sift.MatchPlan(devicetype="GPU")
-kp = siftp.match(kp1,kp2)
+kp = matchPlan.match(kp1,kp2)
 ```
 
 ### Aligning two images