diff --git a/Makefile b/Makefile
index bf07b95..21ed1e1 100644
--- a/Makefile
+++ b/Makefile
@@ -39,6 +39,8 @@ test-integration:
 clean::
 	rm -f triton-*.tgz
 
+check:: versioncheck
+
 # Ensure CHANGES.md and package.json have the same version.
 .PHONY: versioncheck
 versioncheck:
diff --git a/package.json b/package.json
index adb8fcc..aeb5d0d 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "triton",
   "description": "Joyent Triton CLI and client (https://www.joyent.com/triton)",
-  "version": "3.6.1",
+  "version": "4.0.0",
   "author": "Joyent (joyent.com)",
   "dependencies": {
     "assert-plus": "0.2.0",
diff --git a/tools/mk/Makefile.defs b/tools/mk/Makefile.defs
index 50a13c5..85139d7 100644
--- a/tools/mk/Makefile.defs
+++ b/tools/mk/Makefile.defs
@@ -1,6 +1,14 @@
 # -*- mode: makefile -*-
 #
-# Copyright (c) 2012, Joyent, Inc. All rights reserved.
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+
+#
+# Copyright (c) 2014, Joyent, Inc.
+#
+
 #
 # Makefile.defs: common defines.
 #
diff --git a/tools/mk/Makefile.deps b/tools/mk/Makefile.deps
index eeae27f..1cffbe7 100644
--- a/tools/mk/Makefile.deps
+++ b/tools/mk/Makefile.deps
@@ -1,6 +1,14 @@
 # -*- mode: makefile -*-
 #
-# Copyright (c) 2012, Joyent, Inc. All rights reserved.
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+
+#
+# Copyright (c) 2014, Joyent, Inc.
+#
+
 #
 # Makefile.deps: Makefile for including common tools as dependencies
 #
@@ -42,3 +50,5 @@ $(JSSTYLE_EXEC): | deps/jsstyle/.git
 RESTDOWN_EXEC	?= deps/restdown/bin/restdown
 RESTDOWN	?= python $(RESTDOWN_EXEC)
 $(RESTDOWN_EXEC): | deps/restdown/.git
+
+EXTRA_DOC_DEPS	?=
diff --git a/tools/mk/Makefile.targ b/tools/mk/Makefile.targ
index b6e642b..9950458 100644
--- a/tools/mk/Makefile.targ
+++ b/tools/mk/Makefile.targ
@@ -1,6 +1,14 @@
 # -*- mode: makefile -*-
 #
-# Copyright (c) 2012, Joyent, Inc. All rights reserved.
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+
+#
+# Copyright (c) 2014, Joyent, Inc.
+#
+
 #
 # Makefile.targ: common targets.
 #
@@ -81,9 +89,9 @@
 #
 #	JSSTYLE_FLAGS	Additional flags to pass through to jsstyle
 #
-#	RESTDOWN_EXT	By default '.restdown' is required for DOC_FILES
-#			(see above). If you want to use, say, '.md' instead, then
-#			set 'RESTDOWN_EXT=.md' in your Makefile.
+#	RESTDOWN_EXT	By default '.md' is required for DOC_FILES (see above).
+#			If you want to use, say, '.restdown' instead, then set
+#			'RESTDOWN_EXT=.restdown' in your Makefile.
 #
 
 #
@@ -100,7 +108,7 @@ JSSTYLE		?= jsstyle
 MKDIR		?= mkdir -p
 MV		?= mv
 RESTDOWN_FLAGS	?=
-RESTDOWN_EXT	?= .restdown
+RESTDOWN_EXT	?= .md
 RMTREE		?= rm -rf
 JSL_FLAGS  	?= --nologo --nosummary
 
@@ -201,7 +209,7 @@ check-jsstyle:  $(JSSTYLE_EXEC)
 	$(JSSTYLE) $(JSSTYLE_FLAGS) $(JSSTYLE_FILES)
 
 .PHONY: check
-check: check-jsl check-json $(JSSTYLE_TARGET) check-bash
+check:: check-jsl check-json $(JSSTYLE_TARGET) check-bash
 	@echo check ok
 
 .PHONY: clean
@@ -256,7 +264,7 @@ DOC_MEDIA_FILES_BUILD := $(DOC_MEDIA_FILES:%=$(DOC_BUILD)/media/%)
 # to get there.
 #
 .PHONY: docs
-docs:							\
+docs::							\
 	$(DOC_FILES:%$(RESTDOWN_EXT)=$(DOC_BUILD)/%.html)		\
 	$(DOC_FILES:%$(RESTDOWN_EXT)=$(DOC_BUILD)/%.json)		\
 	$(DOC_MEDIA_FILES_BUILD)
@@ -288,7 +296,8 @@ $(DOC_MEDIA_FILES_BUILD): | $(DOC_MEDIA_DIRS_BUILD)
 $(DOC_BUILD)/%: docs/% | $(DOC_BUILD)
 	$(CP) $< $@
 
-docs/%.json docs/%.html: docs/%$(RESTDOWN_EXT) | $(DOC_BUILD) $(RESTDOWN_EXEC)
+docs/%.json docs/%.html: docs/%$(RESTDOWN_EXT) | $(DOC_BUILD) $(RESTDOWN_EXEC) \
+    $(EXTRA_DOC_DEPS)
 	$(RESTDOWN) $(RESTDOWN_FLAGS) -m $(DOC_BUILD) $<
 
 $(DOC_BUILD):