change make serve Makefile error

PegasusWang · PegasusWang · commit 2db5394ad33c · 2018-11-09T09:00:28.000+08:00
diff --git a/Makefile b/Makefile
@@ -2,7 +2,7 @@ push:
 	git push origin master
 
 serve:
-	make serve
+	mkdocs serve
 
 publish:
 	git push origin master
