diff --git a/hydroshift/__init__.py b/hydroshift/__init__.py
index bbab024..1276d02 100644
--- a/hydroshift/__init__.py
+++ b/hydroshift/__init__.py
@@ -1 +1 @@
-__version__ = "0.1.4"
+__version__ = "0.1.5"
diff --git a/hydroshift/_pages/changepoint.py b/hydroshift/_pages/changepoint.py
index 2d6acf3..5911097 100644
--- a/hydroshift/_pages/changepoint.py
+++ b/hydroshift/_pages/changepoint.py
@@ -149,7 +149,7 @@ def summary_text(self) -> str:
     def test_description(self):
         """Analysis methodology."""
         payload = {
-            "alr0": st.session_state.arlo_slider,
+            "arl0": st.session_state.arlo_slider,
             "burn_in": st.session_state.burn_in,
         }
         return render_template("changepoint_description.md", payload)
diff --git a/hydroshift/templates/app_description.md b/hydroshift/templates/app_description.md
index cf6f1e0..a07e1c8 100644
--- a/hydroshift/templates/app_description.md
+++ b/hydroshift/templates/app_description.md
@@ -1,4 +1,4 @@
 **HydroShift** is a tool for exploring streamflow trends in USGS gage data.  This web app
 provides interactive plots of annual peak discharge, seasonality of flood peaks, and daily and monthly discharge
 trends. Beyond data summary, the application includes a statistical changepoint analysis that will detect when
-significant changes in the distribution of flood peaks have occured.
+significant changes in the distribution of flood peaks have occurred.