diff --git a/015_understanding-TCP-servers/06_dial-write/README.md b/015_understanding-TCP-servers/06_dial-write/README.md
index 3d836a76..5e9cdb6f 100644
--- a/015_understanding-TCP-servers/06_dial-write/README.md
+++ b/015_understanding-TCP-servers/06_dial-write/README.md
@@ -1,3 +1,3 @@
 run "02_read-scanner"
 
-run "07_dial-write"
\ No newline at end of file
+run "06_dial-write"
\ No newline at end of file
diff --git a/023_serving-files/02_serving/04_FileServer/01/main.go b/023_serving-files/02_serving/04_FileServer/01/main.go
index 5ff93afd..34a0df2a 100644
--- a/023_serving-files/02_serving/04_FileServer/01/main.go
+++ b/023_serving-files/02_serving/04_FileServer/01/main.go
@@ -7,11 +7,11 @@ import (
 
 func main() {
 	http.Handle("/", http.FileServer(http.Dir(".")))
-	http.HandleFunc("/dog", dog)
+	http.HandleFunc("/dog/", dog)
 	http.ListenAndServe(":8080", nil)
 }
 
 func dog(w http.ResponseWriter, req *http.Request) {
 	w.Header().Set("Content-Type", "text/html; charset=utf-8")
-	io.WriteString(w, `<img src="http://github.com/toby.jpg">`)
+	io.WriteString(w, `<img src="http://github.com/toby.jpg">`)
 }
diff --git a/026_appengine-deploy/01/app.yaml b/026_appengine-deploy/01/app.yaml
index 1dd8f1c6..fb82ec67 100644
--- a/026_appengine-deploy/01/app.yaml
+++ b/026_appengine-deploy/01/app.yaml
@@ -1,8 +1,6 @@
-application: temp-145415
-version: 1
-runtime: go
-api_version: go1
+runtime: go113
 
 handlers:
 - url: /.*
-  script: _go_app
\ No newline at end of file
+  script: auto
+  secure: always
\ No newline at end of file
diff --git a/026_appengine-deploy/01/main.go b/026_appengine-deploy/01/main.go
index 68523458..671d6b1d 100644
--- a/026_appengine-deploy/01/main.go
+++ b/026_appengine-deploy/01/main.go
@@ -4,6 +4,7 @@ import (
 	"net/http"
 )
 
-func init() {
+func main() {
 	http.Handle("/", http.FileServer(http.Dir(".")))
+	http.ListenAndServe(":8080", nil)
 }
diff --git a/026_appengine-deploy/02/app.yaml b/026_appengine-deploy/02/app.yaml
index 1dd8f1c6..fb82ec67 100644
--- a/026_appengine-deploy/02/app.yaml
+++ b/026_appengine-deploy/02/app.yaml
@@ -1,8 +1,6 @@
-application: temp-145415
-version: 1
-runtime: go
-api_version: go1
+runtime: go113
 
 handlers:
 - url: /.*
-  script: _go_app
\ No newline at end of file
+  script: auto
+  secure: always
\ No newline at end of file
diff --git a/026_appengine-deploy/02/main.go b/026_appengine-deploy/02/main.go
index 68523458..671d6b1d 100644
--- a/026_appengine-deploy/02/main.go
+++ b/026_appengine-deploy/02/main.go
@@ -4,6 +4,7 @@ import (
 	"net/http"
 )
 
-func init() {
+func main() {
 	http.Handle("/", http.FileServer(http.Dir(".")))
+	http.ListenAndServe(":8080", nil)
 }
diff --git a/026_appengine-deploy/README.md b/026_appengine-deploy/README.md
index 247ba1be..c256d787 100644
--- a/026_appengine-deploy/README.md
+++ b/026_appengine-deploy/README.md
@@ -1,30 +1,27 @@
-# buying a domain
+  # buying a domain
 
 https://domains.google/#/
 
 # deploying to [Google Cloud](https://cloud.google.com/)
 - [install google appengine](https://cloud.google.com/appengine/docs/go/download)
-- [make sure python is installed VERSION 2.7.x](https://www.python.org/downloads/release/python-2712/)
-  - python -V
   - configure environment PATH variables
 - google cloud developer console
   - create a project
   - get the project ID
-- update the app.yaml file with your project ID
+- set your go version in the app.yaml file
 
 ```
-application: temp-137512
-version: 1
-runtime: go
-api_version: go1
-
+runtime: go113
 handlers:
 - url: /.*
-  script: _go_app
+  script: auto
+  secure: always
 ```
-- deploy to that project
+- deploy to that project. update --project with your project-id
 ```
-appcfg.py -A <YOUR_PROJECT_ID> -V v1 update .
+gcloud app deploy app.yaml --project=<YOUR_PROJECT_ID>  -v 1
+my example:
+gcloud app deploy --project temp-137512
 ```
 - view your project
   - http://YOUR_PROJECT_ID.appspot.com/