Updated GoGenerateTools (markdown)
diff --git a/GoGenerateTools.md b/GoGenerateTools.md
index 8d86b52..3c1b1aa 100644
--- a/GoGenerateTools.md
+++ b/GoGenerateTools.md
@@ -4,6 +4,7 @@
* [stringer](https://godoc.org/golang.org/x/tools/cmd/stringer) – Implements `fmt.Stringer` interface for enums.
* [gostringer](https://godoc.org/github.com/sourcegraph/gostringer) – Implements `fmt.GoStringer` interface for enums.
* [jsonenums](https://github.com/campoy/jsonenums) – Implements `json.Marshaler` and `json.Unmarshaler` interfaces for enums.
+* [go-syncmap](https://github.com/searKing/go-syncmap) - Generates Go code using a package as a generic template for sync.Map.
* [gojson](https://github.com/ChimeraCoder/gojson) - Generates go struct definitions from example json documents.
* [vfsgen](https://github.com/shurcooL/vfsgen) - Generates a vfsdata.go file that statically implements the given virtual filesystem.
* [goreuse](https://github.com/dc0d/goreuse) - Generates Go code using a package as a generic template by replacing definitions.
