style(profiles): rewrap the sync comment of backup_to

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src-tauri/src/database/profile_db.rs

@@ -485,8 +485,8 @@ pub fn backup_to(conn: &Connection, dir: &Path, stem: &str, first_pending: i64)
     conn.execute("VACUUM INTO ?1", [tmp])
         .map_err(|e| format!("backup_failed: {}", e))?;
     // VACUUM INTO does not sync its output; the rename must not publish a
-    // copy a power cut could still truncate (nor replace a good one with it). Write access: Windows refuses
-    // to flush a file opened read-only.
+    // copy a power cut could still truncate, nor replace a good one with it.
+    // Write access: Windows refuses to flush a file opened read-only.
     fs::OpenOptions::new()
         .write(true)
         .open(&tmp_path)