fix: typo (gin-gonic#2973)

* fix: typo

* fix: grammar error

Author: jincheng9

gin.go

@@ -205,7 +205,7 @@ func (engine *Engine) allocateContext() *Context {
 	return &Context{engine: engine, params: &v, skippedNodes: &skippedNodes}
 }
 
-// Delims sets template left and right delims and returns a Engine instance.
+// Delims sets template left and right delims and returns an Engine instance.
 func (engine *Engine) Delims(left, right string) *Engine {
 	engine.delims = render.Delims{Left: left, Right: right}
 	return engine
@@ -259,7 +259,7 @@ func (engine *Engine) SetFuncMap(funcMap template.FuncMap) {
 	engine.FuncMap = funcMap
 }
 
-// NoRoute adds handlers for NoRoute. It return a 404 code by default.
+// NoRoute adds handlers for NoRoute. It returns a 404 code by default.
 func (engine *Engine) NoRoute(handlers ...HandlerFunc) {
 	engine.noRoute = handlers
 	engine.rebuild404Handlers()
@@ -271,7 +271,7 @@ func (engine *Engine) NoMethod(handlers ...HandlerFunc) {
 	engine.rebuild405Handlers()
 }
 
-// Use attaches a global middleware to the router. ie. the middleware attached through Use() will be
+// Use attaches a global middleware to the router. i.e. the middleware attached through Use() will be
 // included in the handlers chain for every single request. Even 404, 405, static files...
 // For example, this is the right place for a logger or error management middleware.
 func (engine *Engine) Use(middleware ...HandlerFunc) IRoutes {
@@ -442,7 +442,7 @@ func (engine *Engine) RunTLS(addr, certFile, keyFile string) (err error) {
 }
 
 // RunUnix attaches the router to a http.Server and starts listening and serving HTTP requests
-// through the specified unix socket (ie. a file).
+// through the specified unix socket (i.e. a file).
 // Note: this method will block the calling goroutine indefinitely unless an error happens.
 func (engine *Engine) RunUnix(file string) (err error) {
 	debugPrint("Listening and serving HTTP on unix:/%s", file)

logger.go

@@ -70,7 +70,7 @@ type LogFormatterParams struct {
 	Path string
 	// ErrorMessage is set if error has occurred in processing the request.
 	ErrorMessage string
-	// isTerm shows whether does gin's output descriptor refers to a terminal.
+	// isTerm shows whether gin's output descriptor refers to a terminal.
 	isTerm bool
 	// BodySize is the size of the Response Body
 	BodySize int
@@ -178,7 +178,7 @@ func ErrorLoggerT(typ ErrorType) HandlerFunc {
 }
 
 // Logger instances a Logger middleware that will write the logs to gin.DefaultWriter.
-// By default gin.DefaultWriter = os.Stdout.
+// By default, gin.DefaultWriter = os.Stdout.
 func Logger() HandlerFunc {
 	return LoggerWithConfig(LoggerConfig{})
 }

recovery.go

@@ -155,7 +155,7 @@ func function(pc uintptr) []byte {
 	//	runtime/debug.*T·ptrmethod
 	// and want
 	//	*T.ptrmethod
-	// Also the package path might contains dot (e.g. code.google.com/...),
+	// Also the package path might contain dot (e.g. code.google.com/...),
 	// so first eliminate the path prefix
 	if lastSlash := bytes.LastIndex(name, slash); lastSlash >= 0 {
 		name = name[lastSlash+1:]