Fix typos in the documentation

README.md

@@ -385,7 +385,7 @@ If the server doesn't set a retry time, the client's `DefaultReconnectionTime` i
 
 ### The "Hello world" server's client
 
-Let's use what we know to create a client for the prevoius server example:
+Let's use what we know to create a client for the previous server example:
 
 ```go
 package main

client_connection.go

@@ -22,7 +22,7 @@ type Event struct {
 	LastEventID string
 	// The event's type. It is empty if the event is unnamed.
 	Type string
-	// The events's payload.
+	// The event's payload.
 	Data string
 }
 
@@ -51,7 +51,7 @@ type Connection struct { //nolint:govet // The current order aids readability.
 	isRetry          bool
 }
 
-// SubscribeMessages subscribes the given callback to all events without type (without or with empty `event“ field).
+// SubscribeMessages subscribes the given callback to all events without type (without or with empty `event` field).
 // Remove the callback by calling the returned function.
 func (c *Connection) SubscribeMessages(cb EventCallback) EventCallbackRemover {
 	return c.SubscribeEvent("", cb)
@@ -64,7 +64,7 @@ func (c *Connection) SubscribeEvent(typ string, cb EventCallback) EventCallbackR
 	return c.addSubscriber(typ, cb)
 }
 
-// SubscribeToAll subscribes the given callbcak to all events, with or without type.
+// SubscribeToAll subscribes the given callback to all events, with or without type.
 // Remove the callback by calling the returned function.
 func (c *Connection) SubscribeToAll(cb EventCallback) EventCallbackRemover {
 	return c.addSubscriberToAll(cb)

server.go

@@ -100,7 +100,7 @@ type Server struct {
 	// The provider used to publish and subscribe clients to events.
 	// Defaults to Joe.
 	Provider Provider
-	// A callback that's called when a SSE session is started.
+	// A callback that's called when an SSE session is started.
 	// You can use this to authorize the session, set the topics
 	// the client should be subscribed to and so on. Using the
 	// Res field of the Session you can write an error response

session.go

@@ -21,7 +21,7 @@ type MessageWriter interface {
 	Flush() error
 }
 
-// A Session is a HTTP request from a SSE client.
+// A Session is an HTTP request from an SSE client.
 // Create one using the Upgrade function.
 //
 // Using a Session you can also access the initial HTTP request,
@@ -33,7 +33,7 @@ type Session struct {
 	// The initial HTTP request. Can be used to retrieve authentication data,
 	// topics, or data from context – a logger, for example.
 	Req *http.Request
-	// Last evend ID of the client. It is unset if no ID was provided in the Last-Event-Id
+	// Last event ID of the client. It is unset if no ID was provided in the Last-Event-Id
 	// request header.
 	LastEventID EventID
 
@@ -74,7 +74,7 @@ func (s *Session) doUpgrade() error {
 	return nil
 }
 
-// Upgrade upgrades a HTTP request to support server-sent events.
+// Upgrade upgrades an HTTP request to support server-sent events.
 // It returns a Session that's used to send events to the client, or an
 // error if the upgrade failed.
 //