@@ -20,6 +20,7 @@ execute a block of code depending on whether a Boolean expression is true or fal
    topic-3-10-practice-coding.rst
    Exercises.rst
    topic-3-12-lesson-workspace.rst
-   
+   topic-3-13-more-practice-experiment.rst
+
 
 
@@ -180,7 +180,7 @@ Practice Problems (Mixed Code)
     :width: 0
     :align: left
 
-.. parsonsprob:: intro-sample-puzzle-java
+.. parsonsprob:: intro-sample-puzzle-csjava
     :numbered: left
     :adaptive:
     :practice: T