diff --git a/.github/ISSUE_TEMPLATE.md b/.github/ISSUE_TEMPLATE.md
index 9d49aa41..6f8288d5 100644
--- a/.github/ISSUE_TEMPLATE.md
+++ b/.github/ISSUE_TEMPLATE.md
@@ -3,11 +3,47 @@
   - Please provide source code and commit sha if you found a bug.
   - Review existing issues and provide feedback or react to them.
 
+## Description
+
+<!-- Description of a problem -->
+
+## How to reproduce
+
+<!-- The smallest possible code example to show the problem that can be compiled, like -->
+```
+package main
+
+import (
+	"github.com/gin-gonic/gin"
+)
+
+func main() {
+	g := gin.Default()
+	g.GET("/hello/:name", func(c *gin.Context) {
+		c.String(200, "Hello %s", c.Param("name"))
+	})
+	g.Run(":9000")
+}
+```
+
+## Expectations
+
+<!-- Your expectation result of 'curl' command, like -->
+```
+$ curl http://localhost:8201/hello/world
+Hello world
+```
+
+## Actual result
+
+<!-- Actual result showing the problem -->
+```
+$ curl -i http://localhost:8201/hello/world
+<YOUR RESULT>
+```
+
+## Environment
+
 - go version:
 - gin version (or commit ref):
 - operating system:
-
-## Description
-
-## Screenshots
-
diff --git a/README.md b/README.md
index 22f83b65..3dd99d99 100644
--- a/README.md
+++ b/README.md
@@ -145,12 +145,12 @@ func main() {
 			"message": "pong",
 		})
 	})
-	r.Run() // listen and serve on 0.0.0.0:8080
+	r.Run() // listen and serve on 0.0.0.0:8080 (for windows "localhost:8080")
 }
 ```
 
 ```
-# run example.go and visit 0.0.0.0:8080/ping on browser
+# run example.go and visit 0.0.0.0:8080/ping (for windows "localhost:8080/ping") on browser
 $ go run example.go
 ```
 
diff --git a/binding/form_mapping.go b/binding/form_mapping.go
index 80b1d15a..ec78bfee 100644
--- a/binding/form_mapping.go
+++ b/binding/form_mapping.go
@@ -15,7 +15,7 @@ import (
 	"github.com/gin-gonic/gin/internal/json"
 )
 
-var errUnknownType = errors.New("Unknown type")
+var errUnknownType = errors.New("unknown type")
 
 func mapUri(ptr interface{}, m map[string][]string) error {
 	return mapFormByTag(ptr, m, "uri")
diff --git a/context.go b/context.go
index 509ce081..18d328d2 100644
--- a/context.go
+++ b/context.go
@@ -744,7 +744,7 @@ func bodyAllowedForStatus(status int) bool {
 
 // Status sets the HTTP response code.
 func (c *Context) Status(code int) {
-	c.writermem.WriteHeader(code)
+	c.Writer.WriteHeader(code)
 }
 
 // Header is a intelligent shortcut for c.Writer.Header().Set(key, value).
diff --git a/go.sum b/go.sum
index 7b4ee320..129ad387 100644
--- a/go.sum
+++ b/go.sum
@@ -1,4 +1,5 @@
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
 github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=