fixed comments and added default generic arg name

apis/middlewares_body_limit.go

@@ -20,9 +20,6 @@ const (
 
 // BodyLimit returns a middleware function that changes the default request body size limit.
 //
-// Note that in order to have effect this middleware should be registered
-// before other middlewares that reads the request body.
-//
 // If limitBytes <= 0, no limit is applied.
 //
 // Otherwise, if the request body size exceeds the configured limitBytes,

apis/middlewares_gzip.go

@@ -45,7 +45,7 @@ type GzipConfig struct {
 	MinLength int
 }
 
-// Gzip returns a middleware which compresses HTTP response using gzip compression scheme.
+// Gzip returns a middleware which compresses HTTP response using Gzip compression scheme.
 func Gzip() func(*core.RequestEvent) error {
 	return GzipWithConfig(GzipConfig{})
 }