diff --git a/controllers/params.mjs b/controllers/params.mjs
index 8713cfc..c7029a0 100644
--- a/controllers/params.mjs
+++ b/controllers/params.mjs
@@ -8,7 +8,7 @@ import { getParamsFromFolders } from "../src/service/ImageRepository.js";
  */
 export default async function exposeParams() {
     const techs = Object.entries(TECH_NAMES).map(([key, fullname]) => ({
-        acronym: key.toUpperCase().replaceAll('_', ' '),
+        acronym: key.toUpperCase(),
         fullname,
     }));
     
diff --git a/src/constants.js b/src/constants.js
index b3912ac..8cef7aa 100644
--- a/src/constants.js
+++ b/src/constants.js
@@ -15,7 +15,7 @@ export const TECH_NAMES = {
 	uvf: "Technical Photography UVF",
 	mbi: "Multispectral Imaging",
 	hiroxnir: "HIROX NIR Image 930nm",
-	hiroxnir_layers_replaced: "HIROX NIR Image 930nm with layers replaced",
+	hiroxnir_layers_replaced: "HIROX NIR Image 930nm (layers replaced)",
 	splitview: "Split view Raking-light VIS Image/NIR Image 1000nm",
 };