Fix typo (#771)

Don't show in the changelog

Author: Bouh

extensions/reviewed/PanelSpriteSlider.json

@@ -8,7 +8,7 @@
   "name": "PanelSpriteSlider",
   "previewIconUrl": "https://asset-resources.gdevelop.io/public-resources/Icons/Line Hero Pack/Master/SVG/UI Essentials/1678c39a3b2bd3df4f82a8a293770db4986a6bcfd3f78e738ddfc86e39176423_UI Essentials_sliders_options.svg",
   "shortDescription": "A draggable slider that users can move to select a numerical value.",
-  "version": "1.3.1",
+  "version": "1.3.2",
   "description": [
     "A draggable slider that users can move to select a numerical value. The slider can be customized with sprites.",
     "",
@@ -3416,7 +3416,7 @@
         {
           "value": "0",
           "type": "Number",
-          "label": "Bar left marging",
+          "label": "Bar left margin",
           "description": "",
           "group": "Bar",
           "extraInformation": [
@@ -3429,7 +3429,7 @@
         {
           "value": "0",
           "type": "Number",
-          "label": "Bar top marging",
+          "label": "Bar top margin",
           "description": "",
           "group": "Bar",
           "extraInformation": [
@@ -3442,7 +3442,7 @@
         {
           "value": "0",
           "type": "Number",
-          "label": "Bar right marging",
+          "label": "Bar right margin",
           "description": "",
           "group": "Bar",
           "extraInformation": [
@@ -3455,7 +3455,7 @@
         {
           "value": "0",
           "type": "Number",
-          "label": "Bar bottom marging",
+          "label": "Bar bottom margin",
           "description": "",
           "group": "Bar",
           "extraInformation": [