typo

ideas/index.rst

@@ -19,7 +19,7 @@ in the physical world.
 
 .. admonition:: How to participate?
 
-   Students are expeced to go through the list of ideas below, and check out the corresponding forum link by clicking on
+   Students are expected to go through the list of ideas below, and check out the corresponding forum link by clicking on
    ``Discuss on forum`` button for additional discussions around the idea. All ideas have colorful badges for ``Complexity`` and
    ``Size`` for making the selection process easier for students.