diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index a2d022108..0081f4aa8 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -6,7 +6,7 @@
 # http://code.google.com/legal/individual-cla-v1.0.html (electronic submission)
 # http://code.google.com/legal/corporate-cla-v1.0.html (requires FAX)
 #
-# Note that the CLA isn't a copyright _assigment_ but rather a
+# Note that the CLA isn't a copyright _assignment_ but rather a
 # copyright _license_.  You retain the copyright on your
 # contributions.
 
diff --git a/doc/environment-vars.txt b/doc/environment-vars.txt
index e1b0c0d79..18e0dde2b 100644
--- a/doc/environment-vars.txt
+++ b/doc/environment-vars.txt
@@ -62,6 +62,9 @@ CAMLI_DEV_KEYBLOBS (string):
 CAMLI_HTTP_DEBUG (bool):
   Enable per-request logging in pkg/webserver.
 
+CAMLI_HTTP_EXPVAR (bool):
+  Enable json export of expvars at /debug/vars
+
 CAMLI_HTTP_PPROF (bool):
   Enable standard library's pprof handler at /debug/pprof/
 
diff --git a/make.go b/make.go
index fc0561741..577f5d101 100644
--- a/make.go
+++ b/make.go
@@ -467,7 +467,7 @@ func verifyGoVersion() {
 	version := fields[2]
 	switch version {
 	case "go1", "go1.0.1", "go1.0.2", "go1.0.3":
-		log.Fatalf("Your version of Go (%s) is too old. Camlistore requires Go 1.1 or later.")
+		log.Fatalf("Your version of Go (%s) is too old. Camlistore requires Go 1.1 or later.", version)
 	}
 }
 
diff --git a/pkg/serverconfig/serverconfig.go b/pkg/serverconfig/serverconfig.go
index 119aaab05..506816c9b 100644
--- a/pkg/serverconfig/serverconfig.go
+++ b/pkg/serverconfig/serverconfig.go
@@ -22,6 +22,7 @@ package serverconfig
 import (
 	"encoding/json"
 	"errors"
+	"expvar"
 	"fmt"
 	"io"
 	"log"
@@ -409,6 +410,9 @@ func (config *Config) InstallHandlers(hi HandlerInstaller, baseURL string, conte
 	}
 	hl.setupAll()
 
+	if v, _ := strconv.ParseBool(os.Getenv("CAMLI_HTTP_EXPVAR")); v {
+		hi.Handle("/debug/vars", expvarHandler{})
+	}
 	if v, _ := strconv.ParseBool(os.Getenv("CAMLI_HTTP_PPROF")); v {
 		hi.Handle("/debug/pprof/", profileHandler{})
 	}
@@ -426,6 +430,23 @@ func (s multiCloser) Close() (err error) {
 	return
 }
 
+// expvarHandler publishes expvar stats.
+type expvarHandler struct{}
+
+func (expvarHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
+	w.Header().Set("Content-Type", "application/json; charset=utf-8")
+	fmt.Fprintf(w, "{\n")
+	first := true
+	expvar.Do(func(kv expvar.KeyValue) {
+		if !first {
+			fmt.Fprintf(w, ",\n")
+		}
+		first = false
+		fmt.Fprintf(w, "%q: %s", kv.Key, kv.Value)
+	})
+	fmt.Fprintf(w, "\n}\n")
+}
+
 // profileHandler publishes server profile information.
 type profileHandler struct{}
 
diff --git a/website/content/docs/schema/permanode b/website/content/docs/schema/permanode
index 48a31d704..cbcd25cff 100644
--- a/website/content/docs/schema/permanode
+++ b/website/content/docs/schema/permanode
@@ -129,7 +129,7 @@
     camliPath:bar.txt = $blobref_bartxt_permanode
     </pre>
     It will appear as a directory containing "dir2" and
-    "bar.txt". (NOTE(hjfreyer): is the value necessarily a permanode?).
+    "bar.txt".
     <br>
     These are used by a few things, including the website UI, the
     "publish" code (declaring you want a photo at a URL and then the
@@ -138,5 +138,3 @@
     read/write filesystem code.
   </li>
 </ul>
-
-NOTE(hjfreyer): did I miss anything?