diff --git a/.gitignore b/.gitignore
new file mode 100644
index 000000000..028b5ab33
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+.idea
+target
+openisle.iml
\ No newline at end of file
diff --git a/src/main/java/com/openisle/controller/AuthController.java b/src/main/java/com/openisle/controller/AuthController.java
index bb58b028a..abbce9e42 100644
--- a/src/main/java/com/openisle/controller/AuthController.java
+++ b/src/main/java/com/openisle/controller/AuthController.java
@@ -17,6 +17,11 @@ public class AuthController {
     private final JwtService jwtService;
     private final EmailService emailService;
 
+    /**
+     * curl -X POST http://localhost:8080/api/auth/login \
+     *   -H "Content-Type: application/json" \
+     *   -d '{"username":"test","password":"password"}'
+     */
     @PostMapping("/register")
     public ResponseEntity<?> register(@RequestBody RegisterRequest req) {
         User user = userService.register(req.getUsername(), req.getEmail(), req.getPassword());
@@ -25,6 +30,11 @@ public class AuthController {
         return ResponseEntity.ok(new JwtResponse(token));
     }
 
+    /**
+     * curl -X POST http://localhost:8080/api/auth/login \
+     *   -H "Content-Type: application/json" \
+     *   -d '{"username":"test","password":"password"}'
+     */
     @PostMapping("/login")
     public ResponseEntity<?> login(@RequestBody LoginRequest req) {
         return userService.authenticate(req.getUsername(), req.getPassword())
diff --git a/src/main/java/com/openisle/controller/HelloController.java b/src/main/java/com/openisle/controller/HelloController.java
index e1133b521..422031e3a 100644
--- a/src/main/java/com/openisle/controller/HelloController.java
+++ b/src/main/java/com/openisle/controller/HelloController.java
@@ -5,6 +5,10 @@ import org.springframework.web.bind.annotation.RestController;
 
 @RestController
 public class HelloController {
+    /**
+     * curl http://localhost:8080/api/hello \
+     *   -H "Authorization: Bearer <jwt-token>"
+     */
     @GetMapping("/api/hello")
     public String hello() {
         return "Hello, Authenticated User";
diff --git a/src/main/java/com/openisle/service/EmailService.java b/src/main/java/com/openisle/service/EmailService.java
index bbf11f896..0c2b343b5 100644
--- a/src/main/java/com/openisle/service/EmailService.java
+++ b/src/main/java/com/openisle/service/EmailService.java
@@ -30,7 +30,7 @@ public class EmailService {
         body.put("to", to);
         body.put("subject", subject);
         body.put("text", text);
-        body.put("from", "demo@openisle.example");
+        body.put("from", "cjt807916@gmail.com"); // todo(tim): use config
 
         HttpEntity<Map<String, String>> entity = new HttpEntity<>(body, headers);
         restTemplate.exchange(url, HttpMethod.POST, entity, String.class);