diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4b93a3baad964f45b0b8748ada07405a551f20d5..bb024a08933724a7a2dd39c1575b371e432b55f5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,7 @@ the selected timeseries. The Show last year feature also works for the three dat
 - Date labels moved to and centered in areas between midnight tick marks
 - Projects were isolated in separate directories with Makefiles binding them together.
 - Change incorrect spelling "timeseries" to "time series"
+- Label change on toggle from "Show last year" to "Compare to last year"
 
 
 ### Fixed
diff --git a/assets/src/scripts/components/hydrograph/index.js b/assets/src/scripts/components/hydrograph/index.js
index af4c83c9e009f2bb6e115be605ee77038daa7783..c7940a9dec7308f11325e6983a344fec8822dc57 100644
--- a/assets/src/scripts/components/hydrograph/index.js
+++ b/assets/src/scripts/components/hydrograph/index.js
@@ -373,7 +373,7 @@ const graphControls = function(elem) {
     compareControlDiv.append('label')
         .attr('id', 'last-year-label')
         .attr('for', 'last-year-checkbox')
-        .text('Show last year');
+        .text('Compare to last year');
 };
 
 /**