diff --git a/episodes/intro-sce.Rmd b/episodes/intro-sce.Rmd
index 37be0b0..f2bd245 100644
--- a/episodes/intro-sce.Rmd
+++ b/episodes/intro-sce.Rmd
@@ -245,6 +245,7 @@ my_sce
 
 Combining two objects: The `MouseGastrulationData` package contains several datasets. Download sample 6 of the chimera experiment by running `sce6 <- WTChimeraData(samples=6)`. Use the `cbind` function to combine the new data with the `sce` object created before. 
 
+::: solution
 ```{r message = FALSE, warning=FALSE}
 sce <-  WTChimeraData(samples = 5)
 sce6 <- WTChimeraData(samples = 6)
@@ -252,6 +253,7 @@ sce6 <- WTChimeraData(samples = 6)
 combined_sce = cbind(sce, sce6)
 combined_sce
 ```
+:::
 
 
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