fix precedence of union of env objects

Signed-off-by: Sebastian Malton <smalton@mirantis.com>

src/main/shell-sync.ts

@@ -27,7 +27,7 @@ export function shellSync(locale: string) {
     process.env["PATH"] = env.PATH
   }
 
-  // The spread operator allows joining of objects. The precidence is last to first.
+  // The spread operator allows joining of objects. The precedence is last to first.
   process.env = {
     ...env,
     ...process.env,