diff --git a/src/components/sections/landing/DiagnosticsSection.astro b/src/components/sections/landing/DiagnosticsSection.astro
index d43612d..a6a2873 100644
--- a/src/components/sections/landing/DiagnosticsSection.astro
+++ b/src/components/sections/landing/DiagnosticsSection.astro
@@ -16,7 +16,7 @@ import dpeD from "@/images/dpe-d.png"
           <Image
             class="mx-auto"
             src={dpeD}
-            alt="Avatar Description"
+            alt="DPE de niveau 'D', 149 kWh/m²/an, 23 kg CO2/m²/an"
             loading={"eager"}
             inferSize
           />