fix comments

Signed-off-by: Vincenzo Scamporlino <me@vinzscam.dev>

.changeset/healthy-kids-mate.md

@@ -2,6 +2,6 @@
 '@backstage/create-app': patch
 ---
 
-Add .bsversion file
+Add .backstage-version file
 
-`@backstage/create-app` will create a new `.bsversion` file containing the version of `@backstage/create-app` that has been used for creating the application.
+`@backstage/create-app` will create a new `.backstage-version` file containing the version of `@backstage/create-app` that has been used for creating the application.

packages/create-app/src/lib/tasks.ts

@@ -126,9 +126,12 @@ export async function templatingTask(
       });
     }
   }
-  const bsVersionFileName = '.bsversion';
-  await Task.forItem('creating', bsVersionFileName, () =>
-    fs.writeFile(join(destinationDir, bsVersionFileName), version),
+  const backstageVersionFileName = '.backstage-version';
+  await Task.forItem('creating', backstageVersionFileName, () =>
+    fs.writeFile(
+      join(destinationDir, backstageVersionFileName),
+      `${version}\n`,
+    ),
   );
 }