diff --git a/exercises/04_recreate_extend.qmd b/exercises/04_recreate_extend.qmd
index d90f223..a773404 100644
--- a/exercises/04_recreate_extend.qmd
+++ b/exercises/04_recreate_extend.qmd
@@ -6,7 +6,7 @@ editor: visual
 
 ## Recreate
 
-In this section, your challenge is to work with your small group to recreate the object shown below. This is a tibble with three columns derived from the `demographics` table. Use the empty code chunk to write the code to recreate this tibble.
+In this section, your challenge is to recreate the object shown below. This is a tibble with three columns derived from the `demographics` table. Use the empty code chunk to write the code to recreate this tibble.
 
 ![](../exercises/recreate_tbl.png)
 
@@ -18,11 +18,11 @@ In this section, your challenge is to work with your small group to recreate the
 
 ## Extend
 
-The purpose of the *Extend* part is for you to explore what you've learned on your own and try to take it a step further as a group.
+The purpose of the *Extend* part is for you to explore what you've learned on your own and try to take it a step further.
 
 For example, you might want to embellish the visualization from the previous exercise. Or you might want to look up the [REDCapTidieR documentation](https://chop-cgtinformatics.github.io/REDCapTidieR/reference/index.html) and try out some of its other functions such as `make_labelled()` or `write_redcap_xlsx()`.
 
-After the time is over, each group will briefly present what they've worked on.
+After the time is over, and if there's time, we will ask for volunteers to show us their work.
 
 Use the empty code chunk below!
 
diff --git a/slides/01_extract_explore.pptx b/slides/01_extract_explore.pptx
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diff --git a/slides/03_write_to_redcap.pptx b/slides/03_write_to_redcap.pptx
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diff --git a/slides/04_recreate_extend.pptx b/slides/04_recreate_extend.pptx
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