diff --git a/vendor/github.com/prometheus/procfs/doc.go b/vendor/github.com/prometheus/procfs/doc.go
new file mode 100644
index 0000000..f9d961e
--- /dev/null
+++ b/vendor/github.com/prometheus/procfs/doc.go
@@ -0,0 +1,44 @@
+// Copyright 2014 Prometheus Team
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package procfs provides functions to retrieve system, kernel and process
+// metrics from the pseudo-filesystem proc.
+//
+// Example:
+//
+//	package main
+//
+//	import (
+//		"fmt"
+//		"log"
+//
+//		"github.com/prometheus/procfs"
+//	)
+//
+//	func main() {
+//		p, err := procfs.Self()
+//		if err != nil {
+//			log.Fatalf("could not get process: %s", err)
+//		}
+//
+//		stat, err := p.Stat()
+//		if err != nil {
+//			log.Fatalf("could not get process stat: %s", err)
+//		}
+//
+//		fmt.Printf("command:  %s\n", stat.Comm)
+//		fmt.Printf("cpu time: %fs\n", stat.CPUTime())
+//		fmt.Printf("vsize:    %dB\n", stat.VirtualMemory())
+//		fmt.Printf("rss:      %dB\n", stat.ResidentMemory())
+//	}
+package procfs