Fix function comments based on best practices from Effective Go

config/config.go

@@ -50,7 +50,7 @@ func (c *Context) Write() (err error) {
 	return ioutil.WriteFile(credentialsPath(c.AbsPath), data, 0600)
 }
 
-// Discovers the gd directory, if no gd directory or credentials
+// Discover: Discovers the gd directory, if no gd directory or credentials
 // could be found for the path, returns ErrNoContext.
 func Discover(currentAbsPath string) (context *Context, err error) {
 	p := currentAbsPath

push.go

@@ -24,7 +24,7 @@ import (
 	"github.com/rakyll/drive/config"
 )
 
-// Pushes to remote if local path exists and in a god context. If path is a
+// Push: Pushes to remote if local path exists and in a god context. If path is a
 // directory, it recursively pushes to the remote if there are local changes.
 // It doesn't check if there are local changes if isForce is set.
 func (g *Commands) Push() (err error) {