diff --git a/Makefile b/Makefile
index 488754b3f5d778..8ea13ba146d506 100644
--- a/Makefile
+++ b/Makefile
@@ -431,6 +431,10 @@ PACKAGEMAKER ?= /Developer/Applications/Utilities/PackageMaker.app/Contents/MacO
 PKGDIR=out/dist-osx
 
 release-only:
+	@if `grep -q REPLACEME doc/api/*.md`; then \
+		echo 'Please update Added: tags in the documentation first.' ; \
+		exit 1 ; \
+	fi
 	@if [ "$(shell git status --porcelain | egrep -v '^\?\? ')" = "" ]; then \
 		exit 0 ; \
 	else \
diff --git a/tools/doc/README.md b/tools/doc/README.md
index 22bd053ed1b058..1620d6c25acbc9 100644
--- a/tools/doc/README.md
+++ b/tools/doc/README.md
@@ -34,6 +34,15 @@ Each type of heading has a description block.
 
     A description of the function.
 
+    ### module.someNewFunction(x)
+    <!-- YAML
+    added: REPLACEME
+    -->
+
+    * `x` {String} the description of the string
+
+    This feature is not in a release yet.
+
     ### Event: 'blerg'
     <!-- YAML
     added: v0.10.0