More linting...

README.md

-# bt
+# ble
+--
+[![GoDoc](https://godoc.org/github.com/go-ble/ble?status.svg)](https://godoc.org/github.com/go-ble/ble)
+[![Go Report Card](https://goreportcard.com/badge/go-ble/ble)](https://goreportcard.com/report/go-ble/ble)
+[![codebeat badge](https://codebeat.co/badges/ba9fae6e-77d2-4173-8587-36ac8756676b)](https://codebeat.co/projects/github-com-go-ble-ble-master)
+
+
+
+**ble** is a [Bluetooth Low Energy](https://en.wikipedia.org/wiki/Bluetooth_Low_Energy) package for Linux and macOS.
 
-bt is a Bluetooth library for Go; its API is still under active development, and may change without warning.

context.go

 package ble
 
+// ContextKey is a type used for keys of a context
 type ContextKey string
 
 var (
+	// ContextKeySig for SigHandler context
 	ContextKeySig = ContextKey("sig")
+	// ContextKeyCCC for per connection contexts
 	ContextKeyCCC = ContextKey("ccc")
 )

darwin/client.go

@@ -47,17 +47,17 @@ func (cln *Client) DiscoverProfile(force bool) (*ble.Profile, error) {
 	}
 	ss, err := cln.DiscoverServices(nil)
 	if err != nil {
-		return nil, fmt.Errorf("can't discover services: %s\n", err)
+		return nil, fmt.Errorf("can't discover services: %s", err)
 	}
 	for _, s := range ss {
 		cs, err := cln.DiscoverCharacteristics(nil, s)
 		if err != nil {
-			return nil, fmt.Errorf("can't discover characteristics: %s\n", err)
+			return nil, fmt.Errorf("can't discover characteristics: %s", err)
 		}
 		for _, c := range cs {
 			_, err := cln.DiscoverDescriptors(nil, c)
 			if err != nil {
-				return nil, fmt.Errorf("can't discover descriptors: %s\n", err)
+				return nil, fmt.Errorf("can't discover descriptors: %s", err)
 			}
 		}
 	}

linux/gatt/client.go

@@ -66,17 +66,17 @@ func (p *Client) DiscoverProfile(force bool) (*ble.Profile, error) {
 	}
 	ss, err := p.DiscoverServices(nil)
 	if err != nil {
-		return nil, fmt.Errorf("can't discover services: %s\n", err)
+		return nil, fmt.Errorf("can't discover services: %s", err)
 	}
 	for _, s := range ss {
 		cs, err := p.DiscoverCharacteristics(nil, s)
 		if err != nil {
-			return nil, fmt.Errorf("can't discover characteristics: %s\n", err)
+			return nil, fmt.Errorf("can't discover characteristics: %s", err)
 		}
 		for _, c := range cs {
 			_, err := p.DiscoverDescriptors(nil, c)
 			if err != nil {
-				return nil, fmt.Errorf("can't discover descriptors: %s\n", err)
+				return nil, fmt.Errorf("can't discover descriptors: %s", err)
 			}
 		}
 	}

linux/gatt/server.go

@@ -8,7 +8,7 @@ import (
 	"github.com/go-ble/ble/linux/att"
 )
 
-// NewServer ...
+// NewServerWithName creates a new Server with the specified name
 func NewServerWithName(name string) (*Server, error) {
 	return &Server{
 		name: name,