diff --git a/extensions/wikidata/src/org/openrefine/wikidata/commands/PreviewWikibaseSchemaCommand.java b/extensions/wikidata/src/org/openrefine/wikidata/commands/PreviewWikibaseSchemaCommand.java
index 51a88c6a2..b38e8efb8 100644
--- a/extensions/wikidata/src/org/openrefine/wikidata/commands/PreviewWikibaseSchemaCommand.java
+++ b/extensions/wikidata/src/org/openrefine/wikidata/commands/PreviewWikibaseSchemaCommand.java
@@ -34,7 +34,6 @@ import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
 import org.json.JSONException;
-import org.json.JSONObject;
 import org.json.JSONWriter;
 
 import com.google.refine.browsing.Engine;
@@ -49,7 +48,6 @@ import org.openrefine.wikidata.updates.ItemUpdate;
 import org.openrefine.wikidata.utils.FirstLinesExtractor;
 
 import com.google.refine.model.Project;
-import com.google.refine.util.ParsingUtilities;
 
 public class PreviewWikibaseSchemaCommand extends Command {
 
@@ -68,8 +66,7 @@ public class PreviewWikibaseSchemaCommand extends Command {
             WikibaseSchema schema = null;
             if (jsonString != null) {
                 try {
-                    JSONObject json = ParsingUtilities.evaluateJsonStringToObject(jsonString);
-                    schema = WikibaseSchema.reconstruct(json);
+                    schema = WikibaseSchema.reconstruct(jsonString);
                 } catch (JSONException e) {
                     respond(response, "error", "Wikibase schema could not be parsed.");
                     return;
diff --git a/extensions/wikidata/src/org/openrefine/wikidata/operations/PerformWikibaseEditsOperation.java b/extensions/wikidata/src/org/openrefine/wikidata/operations/PerformWikibaseEditsOperation.java
index 2aca79979..9bdfe517a 100644
--- a/extensions/wikidata/src/org/openrefine/wikidata/operations/PerformWikibaseEditsOperation.java
+++ b/extensions/wikidata/src/org/openrefine/wikidata/operations/PerformWikibaseEditsOperation.java
@@ -190,7 +190,7 @@ public class PerformWikibaseEditsOperation extends EngineDependentOperation {
             
             // Generate batch token
             long token = (new Random()).nextLong();
-            String summary = _summary + String.format(" ([[Wikidata:Edit groups/OR/%s|discuss]])",
+            String summary = _summary + String.format(" ([[:toollabs:editgroups/b/OR/%s|details]])",
                     (Long.toHexString(token).substring(0, 7)));
 
             // Evaluate the schema