Typo

front-end/js/app.js

@@ -162,7 +162,7 @@ function flashWithManifest(manifest) {
     progressHolder.style.display = "block";
     appStatus.textContent = `Flashing ${portsSelect.value}`;
     const numberOfSteps = manifest.flash.length * 2;
-    let currectStepNumber = 1;
+    let correctStepNumber = 1;
     prepareBinaries(manifest, (err, flashSpec) => {
         if(err) throw err;
 
@@ -197,7 +197,7 @@ function flashWithManifest(manifest) {
         });
     }).on("entry", (progress) => {
         //For the download/extract progress. The other half is flashing.
-        const extractPercent = Math.round((currectStepNumber++/numberOfSteps) * 50);
+        const extractPercent = Math.round((correctStepNumber++/numberOfSteps) * 50);
         updateProgressBar(extractPercent);
         appStatus.textContent = progress.display;
     });