diff --git a/server/go/camlistored/ui/disco.html b/server/go/camlistored/ui/disco.html
index ce293731d..1c84d9c55 100644
--- a/server/go/camlistored/ui/disco.html
+++ b/server/go/camlistored/ui/disco.html
@@ -16,7 +16,7 @@ function discover() {
             return;
         }
         disco = JSON.parse(xhr.responseText);
-        document.getElementById("discores").innerHTML = JSON.stringify(disco);
+        document.getElementById("discores").innerHTML = "<pre>" + JSON.stringify(disco, null, 2) + "</pre>";
     };
     xhr.open("GET", "./?camli.mode=config", true);
     xhr.send();
diff --git a/server/go/camlistored/ui/sigdebug.js b/server/go/camlistored/ui/sigdebug.js
index fab3a5232..fa6597e65 100644
--- a/server/go/camlistored/ui/sigdebug.js
+++ b/server/go/camlistored/ui/sigdebug.js
@@ -9,7 +9,7 @@ function discoverJsonSign() {
             return;
         }
         sigdisco = JSON.parse(xhr.responseText);
-        document.getElementById("sigdiscores").innerHTML = JSON.stringify(sigdisco);
+        document.getElementById("sigdiscores").innerHTML = "<pre>" + JSON.stringify(sigdisco, null, 2) + "</pre>";
     };
     xhr.open("GET", disco.jsonSignRoot + "/camli/sig/discovery", true);
     xhr.send();