diff --git a/README.md b/README.md
index 997d580f..d8a7c869 100644
--- a/README.md
+++ b/README.md
@@ -70,6 +70,7 @@ Tile38 can be compiled and used on Linux, OSX, Windows, FreeBSD, and probably ot
 
 To build everything simply:
 ```
+$ git tag <major>.<minor>.<fix>
 $ make
 ```
 
diff --git a/internal/server/config.go b/internal/server/config.go
index 9632da8e..d8982f57 100644
--- a/internal/server/config.go
+++ b/internal/server/config.go
@@ -234,10 +234,10 @@ func (config *Config) write(writeProperties bool) {
 		}
 	}
 	if config._announceIPP != "" {
-		m[AutoGC] = config._announceIPP
+		m[AnnounceIP] = config._announceIPP
 	}
 	if config._announcePortP != "" {
-		m[AutoGC] = config._announcePortP
+		m[AnnouncePort] = config._announcePortP
 	}
 	data, err := json.MarshalIndent(m, "", "\t")
 	if err != nil {