diff --git a/README.md b/README.md
index c9aad52..640522b 100644
--- a/README.md
+++ b/README.md
@@ -43,6 +43,6 @@ Two approaches:
 Roughly, a method has conditions that the goal and background + start state should satisfy. If the conditions are satisfied, a plan template is generated (note the variables).
 The planner then verifies if the plan template works, if so it outputs the plan. 
 
-## Spectra's on a Seriated Cup Challenge ##
+## Spectra on a Seriated Cup Challenge ##
 
 ![download-3.gif](https://bitbucket.org/repo/Mjq4bX/images/794008054-download-3.gif)