diff --git a/src/main/java/dev/fyloz/trial/colorrecipesexplorer/core/utils/MixBuilder.java b/src/main/java/dev/fyloz/trial/colorrecipesexplorer/core/utils/MixBuilder.java
index 5f2e3ee..2ad0b03 100644
--- a/src/main/java/dev/fyloz/trial/colorrecipesexplorer/core/utils/MixBuilder.java
+++ b/src/main/java/dev/fyloz/trial/colorrecipesexplorer/core/utils/MixBuilder.java
@@ -44,7 +44,6 @@ public class MixBuilder {
         } else {
             this.mixType = new MixType(this.mixType.getId(), this.mixType.getName(), this.mixType.getMaterial());
 
-            // TODO le nom ne change pas
             if (materialService.existsByName(mixTypeName)) {
                 this.mixType.setName(mixTypeName, false);
                 this.mixType.setMaterial(materialService.getByName(mixTypeName));
diff --git a/src/main/java/dev/fyloz/trial/colorrecipesexplorer/web/controller/files/SIMDUTFilesController.java b/src/main/java/dev/fyloz/trial/colorrecipesexplorer/web/controller/files/SimdutFilesController.java
similarity index 93%
rename from src/main/java/dev/fyloz/trial/colorrecipesexplorer/web/controller/files/SIMDUTFilesController.java
rename to src/main/java/dev/fyloz/trial/colorrecipesexplorer/web/controller/files/SimdutFilesController.java
index 3a2c173..6d4e676 100644
--- a/src/main/java/dev/fyloz/trial/colorrecipesexplorer/web/controller/files/SIMDUTFilesController.java
+++ b/src/main/java/dev/fyloz/trial/colorrecipesexplorer/web/controller/files/SimdutFilesController.java
@@ -18,12 +18,12 @@ import static dev.fyloz.trial.colorrecipesexplorer.web.WebsitePaths.CLOSE_TAB;
 import static dev.fyloz.trial.colorrecipesexplorer.web.WebsitePaths.SIMDUT_FILES;
 
 @Controller
-public class SIMDUTFilesController {
+public class SimdutFilesController {
 
     private SimdutService simdutService;
 
     @Autowired
-    public SIMDUTFilesController(SimdutService simdutService) {
+    public SimdutFilesController(SimdutService simdutService) {
         this.simdutService = simdutService;
     }
 
@@ -49,7 +49,7 @@ public class SIMDUTFilesController {
     @PostMapping(SIMDUT_FILES)
     public ResponseEntity<Void> getFile(@PathVariable Long id) {
         try {
-            return ResponseEntity.status(simdutService.exists(id) ? HttpStatus.FOUND : HttpStatus.NOT_FOUND).build();
+            return ResponseEntity.status(simdutService.exists(id) ? HttpStatus.OK : HttpStatus.NOT_FOUND).build();
         } catch (EntityNotFoundException ex) {
             return ResponseEntity.status(HttpStatus.BAD_REQUEST).build();
         }
diff --git a/src/main/resources/static/js/main.js b/src/main/resources/static/js/main.js
index 5a17b53..dcd92de 100644
--- a/src/main/resources/static/js/main.js
+++ b/src/main/resources/static/js/main.js
@@ -14,10 +14,10 @@ $(() => {
         const materialID = row.data("materialid");
 
         // SIMDUT
-        if (!checkSimdutAvailability(materialID)) {
+        checkSimdutAvailability(materialID, null, () => {
             row.parent().addClass("nosimdut");
             row.parent().title = simdutNotFoundText;
-        }
+        });
     });
     $(".messageBox").each(function () {
         checkMessageBoxesDisplay($(this)[0])
@@ -87,14 +87,13 @@ $(() => {
     }, 500);
 });
 
-function checkSimdutAvailability(materialId) {
+function checkSimdutAvailability(materialId, successCallback, notFoundCallback) {
     axios.post(`/simdut/${materialId}`)
-        .then(function (d) {
-            return true;
+        .then(d => {
+            if (successCallback) successCallback();
         })
         .catch(function (err) {
-            if (err.response.status === 404) return false;
-            else return false;
+            if (err.response.status === 404 && notFoundCallback) notFoundCallback();
         });
 }
 
diff --git a/src/main/resources/templates/material/edit.html b/src/main/resources/templates/material/edit.html
index 01b79d3..850754f 100644
--- a/src/main/resources/templates/material/edit.html
+++ b/src/main/resources/templates/material/edit.html
@@ -103,8 +103,7 @@
             }
         });
 
-        console.log(checkSimdutAvailability(materialId));
-        if (!checkSimdutAvailability(materialId)) $("#showSIMDUT").hide();
+        checkSimdutAvailability(materialId, null, () => $("#showSIMDUT").hide());
     });
 
     function switchUnits(unitSelect) {
diff --git a/src/main/resources/templates/material/simdut.html b/src/main/resources/templates/material/simdut.html
index 02b39e9..2e131d0 100644
--- a/src/main/resources/templates/material/simdut.html
+++ b/src/main/resources/templates/material/simdut.html
@@ -2,6 +2,12 @@
 <html lang="fr" xmlns:th="http://www.thymeleaf.org">
 <head>
     <th:block th:include="fragments.html :: head(#{material.add.title}, null)"></th:block>
+
+    <style>
+        .returnButton {
+            float: none;
+        }
+    </style>
 </head>
 <body>
 
@@ -22,6 +28,7 @@
             <br/>
             <br/>
 
+            <button type="button" class="returnButton" th:text="#{keyword.back}"></button>
             <!-- Ne fonctionne pas comme le reste du site apparamment -->
             <button type="button" onclick="checkPassword(this.form)" th:text="#{keyword.save}"></button>
         </form>
diff --git a/src/main/resources/updates.md b/src/main/resources/updates.md
index 00ef7bf..d1e8804 100644
--- a/src/main/resources/updates.md
+++ b/src/main/resources/updates.md
@@ -4,7 +4,7 @@
 * Correction d'un bug qui empêchait de modifier des types de produit.
 * Correction d'un bug qui empêchait de créer des PDFs de kit de retouche.
 * Correction d'un bug qui empêchait les fichiers SIMDUT de fonctionner.
-** Correction d'un bug qui empêchait de détecter si un fichier SIMDUT existait.
+* Correction d'un bug qui empêchait de détecter si un fichier SIMDUT existe.
 
 # v1.3.0 (Optimisations back-end)
 ### Note: Cette mise à jour n'est pas compatible avec les anciennes versions.