diff --git a/modules/Data_Input/Data_Input.Rmd b/modules/Data_Input/Data_Input.Rmd
index b0a84462..d847cc36 100644
--- a/modules/Data_Input/Data_Input.Rmd
+++ b/modules/Data_Input/Data_Input.Rmd
@@ -117,7 +117,7 @@ knitr::include_graphics("images/Data_Input_new_project_topright.png")
 
 CO Heat-related ER visits dataset:
 
-We're going to load a dataset from the Colorado Environmental Public Health Tracking Program. This dataset has age-adjusted visit rates and total number of visits for all genders by Colorado county for 2011-2023.
+We're going to load a dataset from the Colorado Environmental Public Health Tracking Program. This dataset has age-adjusted visit rates and total number of visits for all genders by Colorado county for 2011-2022.
 
 * Check out the data at: https://coepht.colorado.gov/heat-related-illness
 
diff --git a/modules/Data_Summarization/lab/Data_Summarization_Lab_Key.Rmd b/modules/Data_Summarization/lab/Data_Summarization_Lab_Key.Rmd
index a4e693b0..294a3f24 100644
--- a/modules/Data_Summarization/lab/Data_Summarization_Lab_Key.Rmd
+++ b/modules/Data_Summarization/lab/Data_Summarization_Lab_Key.Rmd
@@ -41,6 +41,9 @@ What was the total population in the dataset based on the 2010 census? (use `sum
 
 ```{r 1.2response}
 ces |> pull(TotalPop) |> sum()
+
+# Alternative
+ces |> summarize(popSum = sum(TotalPop))
 ```
 
 ### 1.3