Improve "Upload file" example, Fix MD typos

README.md

@@ -111,7 +111,7 @@ BenchmarkZeus_GithubAll 		| 2000 		| 944234 	| 300688 	| 2648
 
 ## API Examples
 
-#### Using GET, POST, PUT, PATCH, DELETE and OPTIONS
+### Using GET, POST, PUT, PATCH, DELETE and OPTIONS
 
 ```go
 func main() {
@@ -137,7 +137,7 @@ func main() {
 }
 ```
 
-#### Parameters in path
+### Parameters in path
 
 ```go
 func main() {
@@ -162,7 +162,7 @@ func main() {
 }
 ```
 
-#### Querystring parameters
+### Querystring parameters
 ```go
 func main() {
 	router := gin.Default()
@@ -229,9 +229,9 @@ func main() {
 id: 1234; page: 1; name: manu; message: this_is_great
 ```
 
-### upload file
+### Upload files
 
-#### upload single file
+#### Single file
 
 References issue [#774](https://github.com/gin-gonic/gin/issues/774) and detail [example code](examples/upload-file/single).
 
@@ -243,13 +243,13 @@ func main() {
 		file, _ := c.FormFile("file")
 		log.Println(file.Filename)
 
-		c.String(http.StatusOK, "Uploaded...")
+		c.String(http.StatusOK, fmt.Printf("'%s' uploaded!", file.Filename))
 	})
 	router.Run(":8080")
 }
 ```
 
-curl command:
+How to `curl`:
 
 ```bash
 curl -X POST http://localhost:8080/upload \
@@ -257,7 +257,7 @@ curl -X POST http://localhost:8080/upload \
   -H "Content-Type: multipart/form-data"
 ```
 
-#### upload multiple files
+#### Multiple files
 
 See the detail [example code](examples/upload-file/multiple).
 
@@ -272,13 +272,13 @@ func main() {
 		for _, file := range files {
 			log.Println(file.Filename)
 		}
-		c.String(http.StatusOK, "Uploaded...")
+		c.String(http.StatusOK, fmt.Printf("%d files uploaded!", len(files)))
 	})
 	router.Run(":8080")
 }
 ```
 
-curl command:
+How to `curl`:
 
 ```bash
 curl -X POST http://localhost:8080/upload \
@@ -287,7 +287,7 @@ curl -X POST http://localhost:8080/upload \
   -H "Content-Type: multipart/form-data"
 ```
 
-#### Grouping routes
+### Grouping routes
 
 ```go
 func main() {
@@ -314,7 +314,7 @@ func main() {
 ```
 
 
-#### Blank Gin without middleware by default
+### Blank Gin without middleware by default
 
 Use
 
@@ -328,7 +328,7 @@ r := gin.Default()
 ```
 
 
-#### Using middleware
+### Using middleware
 ```go
 func main() {
 	// Creates a router without any middleware by default
@@ -363,7 +363,7 @@ func main() {
 }
 ```
 
-#### Model binding and validation
+### Model binding and validation
 
 To bind a request body into a type, use model binding. We currently support binding of JSON, XML and standard form values (foo=bar&boo=baz).
 
@@ -413,7 +413,7 @@ func main() {
 }
 ```
 
-#### Bind Query String
+### Bind Query String
 
 See the [detail information](https://github.com/gin-gonic/gin/issues/742#issuecomment-264681292).
 
@@ -489,7 +489,7 @@ $ curl -v --form user=user --form password=password http://localhost:8080/login
 ```
 
 
-#### XML, JSON and YAML rendering
+### XML, JSON and YAML rendering
 
 ```go
 func main() {
@@ -528,7 +528,7 @@ func main() {
 }
 ```
 
-####Serving static files
+### Serving static files
 
 ```go
 func main() {
@@ -542,7 +542,7 @@ func main() {
 }
 ```
 
-####HTML rendering
+### HTML rendering
 
 Using LoadHTMLGlob() or LoadHTMLFiles()
 
@@ -622,7 +622,7 @@ func main() {
 ```
 
 
-#### Redirects
+### Redirects
 
 Issuing a HTTP redirect is easy:
 
@@ -634,7 +634,7 @@ r.GET("/test", func(c *gin.Context) {
 Both internal and external locations are supported.
 
 
-#### Custom Middleware
+### Custom Middleware
 
 ```go
 func Logger() gin.HandlerFunc {
@@ -674,7 +674,7 @@ func main() {
 }
 ```
 
-#### Using BasicAuth() middleware
+### Using BasicAuth() middleware
 ```go
 // simulate some private data
 var secrets = gin.H{
@@ -713,7 +713,7 @@ func main() {
 ```
 
 
-#### Goroutines inside a middleware
+### Goroutines inside a middleware
 When starting inside a middleware or handler, you **SHOULD NOT** use the original context inside it, you have to use a read-only copy.
 
 ```go
@@ -745,7 +745,7 @@ func main() {
 }
 ```
 
-#### Custom HTTP configuration
+### Custom HTTP configuration
 
 Use `http.ListenAndServe()` directly, like this:
 
@@ -772,7 +772,7 @@ func main() {
 }
 ```
 
-#### Graceful restart or stop
+### Graceful restart or stop
 
 Do you want to graceful restart or stop your web server?
 There are some ways this can be done.
@@ -803,7 +803,7 @@ An alternative to endless:
   - You should add/modify tests to cover your proposed code changes.
   - If your pull request contains a new feature, please document it on the README.
 
-## Example
+## Users
 
 Awesome project lists using [Gin](https://github.com/gin-gonic/gin) web framework.