diff --git a/graphql/admin/admin.go b/graphql/admin/admin.go
index 9e6f47d6549..060df2b1ba2 100644
--- a/graphql/admin/admin.go
+++ b/graphql/admin/admin.go
@@ -43,8 +43,7 @@ const (
 	errNoGraphQLSchema = "Not resolving %s. There's no GraphQL schema in Dgraph.  " +
 		"Use the /admin API to add a GraphQL schema"
 	errResolverNotFound = "%s was not executed because no suitable resolver could be found - " +
-		"this indicates a resolver or validation bug " +
-		"(Please let us know : https://github.com/dgraph-io/dgraph/issues)"
+		"this indicates a resolver or validation bug. Please let us know by filing an issue."
 
 	// GraphQL schema for /admin endpoint.
 	graphqlAdminSchema = `
diff --git a/graphql/api/panics.go b/graphql/api/panics.go
index 137983be217..520fed8bcc8 100644
--- a/graphql/api/panics.go
+++ b/graphql/api/panics.go
@@ -34,6 +34,6 @@ func PanicHandler(fn func(error)) {
 
 		fn(errors.Errorf("Internal Server Error - a panic was trapped.  " +
 			"This indicates a bug in the GraphQL server.  A stack trace was logged.  " +
-			"Please let us know : https://github.com/dgraph-io/dgraph/issues."))
+			"Please let us know by filing an issue with the stack trace."))
 	}
 }
diff --git a/graphql/e2e/common/error.go b/graphql/e2e/common/error.go
index 21bddd78a0f..60154ee1740 100644
--- a/graphql/e2e/common/error.go
+++ b/graphql/e2e/common/error.go
@@ -253,7 +253,7 @@ func panicCatcher(t *testing.T) {
 			require.Equal(t, x.GqlErrorList{
 				{Message: fmt.Sprintf("Internal Server Error - a panic was trapped.  " +
 					"This indicates a bug in the GraphQL server.  A stack trace was logged.  " +
-					"Please let us know : https://github.com/dgraph-io/dgraph/issues.")}},
+					"Please let us know by filing an issue with the stack trace.")}},
 				gqlResponse.Errors)
 
 			require.Nil(t, gqlResponse.Data, string(gqlResponse.Data))
diff --git a/graphql/resolve/resolver.go b/graphql/resolve/resolver.go
index cc617e24d0c..52680b2fad4 100644
--- a/graphql/resolve/resolver.go
+++ b/graphql/resolve/resolver.go
@@ -667,8 +667,7 @@ func completeDgraphResult(
 		glog.Errorf("Could not process Dgraph result : \n%s", string(dgResult))
 		return nullResponse(
 			x.GqlErrorf("Couldn't process the result from Dgraph.  " +
-				"This probably indicates a bug in the Dgraph GraphQL layer.  " +
-				"Please let us know : https://github.com/dgraph-io/dgraph/issues.").
+				"This probably indicates a bug in Dgraph. Please let us know by filing an issue.").
 				WithLocations(field.Location()))
 	}
 
diff --git a/graphql/schema/introspection.go b/graphql/schema/introspection.go
index f71de949c71..04016a14672 100644
--- a/graphql/schema/introspection.go
+++ b/graphql/schema/introspection.go
@@ -27,25 +27,25 @@ import (
 func Introspect(q Query) (json.RawMessage, error) {
 	if q.Name() != "__schema" && q.Name() != "__type" && q.Name() != Typename {
 		return nil, errors.New("call to introspect for field that isn't an introspection query " +
-			"this indicates bug (Please let us know : https://github.com/dgraph-io/dgraph/issues)")
+			"this indicates bug. Please let us know by filing an issue.")
 	}
 
 	sch, ok := q.Operation().Schema().(*schema)
 	if !ok {
 		return nil, errors.New("couldn't convert schema to internal type " +
-			"this indicates bug (Please let us know : https://github.com/dgraph-io/dgraph/issues)")
+			"this indicates bug. Please let us know by filing an issue.")
 	}
 
 	op, ok := q.Operation().(*operation)
 	if !ok {
 		return nil, errors.New("couldn't convert operation to internal type " +
-			"this indicates bug (Please let us know : https://github.com/dgraph-io/dgraph/issues)")
+			"this indicates bug. Please let us know by filing an issue.")
 	}
 
 	qu, ok := q.(*query)
 	if !ok {
 		return nil, errors.New("couldn't convert query to internal type " +
-			"this indicates bug (Please let us know : https://github.com/dgraph-io/dgraph/issues)")
+			"this indicates bug. Please let us know by filing an issue.")
 	}
 
 	reqCtx := &requestContext{
diff --git a/systest/export/docker-compose.yml b/systest/export/docker-compose.yml
index 0a7dd0ec99d..ea205d43270 100644
--- a/systest/export/docker-compose.yml
+++ b/systest/export/docker-compose.yml
@@ -9,7 +9,7 @@ services:
     ports:
       - 5180:5180
       - 6180:6180
-    command: /gobin/dgraph zero --cwd=/data/zero1 --my=zero1:5180 -o 100 --bindall --logtostderr -v=0
+    command: /gobin/dgraph zero --cwd=/data/zero1 --my=zero1:5180 -o 100 --bindall --logtostderr -v=0 --replicas 3
     volumes:
       - type: bind
         source: $GOPATH/bin
diff --git a/worker/graphql_schema.go b/worker/graphql_schema.go
index cf063d8ee59..94a77bd41ae 100644
--- a/worker/graphql_schema.go
+++ b/worker/graphql_schema.go
@@ -30,9 +30,8 @@ import (
 const (
 	errGraphQLSchemaCommitFailed = "error occurred updating GraphQL schema, please retry"
 	ErrGraphQLSchemaAlterFailed  = "succeeded in saving GraphQL schema but failed to alter Dgraph" +
-		" schema - this indicates a bug in Dgraph schema generation. Please let us know : " +
-		"https://github.com/dgraph-io/dgraph/issues. " +
-		"Don't forget to post your old and new schemas in the issue description."
+		" schema - this indicates a bug in Dgraph schema generation. Please let us know by" +
+		" filing an issue. Don't forget to post your old and new schemas in the issue description."
 
 	GqlSchemaPred    = "dgraph.graphql.schema"
 	gqlSchemaXidPred = "dgraph.graphql.xid"