diff --git a/app/src/components/calculators/SolarCalculator.js b/app/src/components/calculators/SolarCalculator.js
index 011ce2e8..c0e1ca42 100644
--- a/app/src/components/calculators/SolarCalculator.js
+++ b/app/src/components/calculators/SolarCalculator.js
@@ -41,7 +41,6 @@ import {
     CLIMATOLOGY_CHANGES,
     CLIMATOLOGY_DATA_REFERENCE,
     CLIMATOLOGY_LICENSE,
-    CLIMATOLOGY_SOURCE,
     lookupClimatology,
     useClimatology,
 } from "./solarData";
@@ -247,7 +246,8 @@ function LocationSection({get, set, s, climatology}) {
         );
     };
 
-    let source;
+    // The data's attribution is at the bottom of the page; this line only reports the data's state.
+    let source = null;
     if (s.ownData) {
         source = 'Using your own sunlight data.';
     } else if (climatology.loading) {
@@ -256,8 +256,6 @@ function LocationSection({get, set, s, climatology}) {
         source = <Message kind='warning' title='Sunlight data could not be loaded'>
             Enter your own monthly sunlight under "Use my own sunlight data" below.
         </Message>;
-    } else {
-        source = `Sunlight and temperature: ${CLIMATOLOGY_SOURCE}; see Data attribution at the bottom of the page.`;
     }
 
     return <>
@@ -279,7 +277,7 @@ function LocationSection({get, set, s, climatology}) {
             </Grid.Col>
         </Grid>
         {geoError && <Message kind='warning' title='Could not get your location'>{geoError}</Message>}
-        <div style={{fontSize: '0.85em', opacity: 0.75, marginTop: '0.5em'}}>{source}</div>
+        {source && <div style={{fontSize: '0.85em', opacity: 0.75, marginTop: '0.5em'}}>{source}</div>}
     </>;
 }
 
diff --git a/app/src/components/calculators/SolarCalculator.test.js b/app/src/components/calculators/SolarCalculator.test.js
index 81837b09..74f8799f 100644
--- a/app/src/components/calculators/SolarCalculator.test.js
+++ b/app/src/components/calculators/SolarCalculator.test.js
@@ -118,7 +118,8 @@ describe('SolarCalculator', () => {
         renderWithProviders(<SolarCalculator/>, {route: DENVER});
         expect(await findEstimate()).toBeInTheDocument();
         expect(screen.getByText(`${roundDigits(expectedAnnual(), 0)}`)).toBeInTheDocument();
-        expect(screen.getByText(/Sunlight and temperature: NASA POWER/)).toBeInTheDocument();
+        // The attribution is only at the bottom of the page.
+        expect(screen.queryByText(/Sunlight and temperature/)).not.toBeInTheDocument();
         expect(global.fetch).toHaveBeenCalledWith(expect.stringMatching(/\/data\/solar-climatology\.bin$/));
     });
 
@@ -133,7 +134,6 @@ describe('SolarCalculator', () => {
         // After everything else, including the last Fine-tune section.
         const lastControl = screen.getByText('Use my own sunlight data: off');
         expect(lastControl.compareDocumentPosition(heading) & Node.DOCUMENT_POSITION_FOLLOWING).toBeTruthy();
-        expect(screen.getByText(/see Data attribution at the bottom of the page/)).toBeInTheDocument();
     });
 
     test('typing writes the URL and leaves defaults out', async () => {
diff --git a/app/src/components/calculators/solarData.js b/app/src/components/calculators/solarData.js
index 3ccad825..426644cf 100644
--- a/app/src/components/calculators/solarData.js
+++ b/app/src/components/calculators/solarData.js
@@ -5,7 +5,6 @@ import React from "react";
 // must match PARAMETERS below.  The file is only fetched when the calculator opens.
 
 export const CLIMATOLOGY_URL = `${process.env.PUBLIC_URL || ''}/data/solar-climatology.bin`;
-export const CLIMATOLOGY_SOURCE = 'NASA POWER 2001–2020 monthly averages (CC BY 4.0)';
 
 // Attribution, as NASA asks (https://power.larc.nasa.gov/docs/referencing/) and CC BY 4.0 requires.  The
 // build script writes the same text, with the API version and download date, to
diff --git a/docker/help/wrolpi-help b/docker/help/wrolpi-help
index e118fe46..b61bae30 160000
--- a/docker/help/wrolpi-help
+++ b/docker/help/wrolpi-help
@@ -1 +1 @@
-Subproject commit e118fe46c94a0f5f371b009ccc9d7fd14ca979df
+Subproject commit b61bae309cf253e080824ac12eb8b4fb690b8456