diff --git a/session_4/session_4.Rmd b/session_4/session_4.Rmd
index 158281fc5047db0aa2e873037600b82912c5720d..ecd1f102ac310c324149e41c04c580280a88c818 100644
--- a/session_4/session_4.Rmd
+++ b/session_4/session_4.Rmd
@@ -41,7 +41,7 @@ As usual you will also need the `tidyverse` library.
 </div>
 
 <details><summary>Solution</summary>
-  <p>
+  <p> 
 ```{r installP, eval = F}
 install.packages("nycflights13")
 ```