diff --git a/lib/strokedb/document.rb b/lib/strokedb/document.rb
index aa3815a2..bbb5c359 100644
--- a/lib/strokedb/document.rb
+++ b/lib/strokedb/document.rb
@@ -269,7 +269,7 @@ def diff(from)
     def pretty_print #:nodoc:
       slots = to_raw.except('meta')
 
-      s = is_a?(ImmutableDocument) ? "#<(imm)" : "#<"
+      s = is_a?(ImmutableDocument) ? "#<^" : "#<"
 
       Util.catch_circular_reference(self) do
         if self[:meta] && name = meta[:name]
@@ -745,5 +745,9 @@ def mutable?
     def save!
       self
     end
+    
+    def make_mutable!
+      unextend(ImmutableDocument)
+    end
   end
 end
\ No newline at end of file
diff --git a/spec/lib/strokedb/document/document_spec.rb b/spec/lib/strokedb/document/document_spec.rb
index c19fa10e..bc1cb4f1 100644
--- a/spec/lib/strokedb/document/document_spec.rb
+++ b/spec/lib/strokedb/document/document_spec.rb
@@ -821,6 +821,23 @@
     @document.should_not == @another_document
   end
 
+end
+
+describe "Immutable Document" do
+
+  before(:each) do
+    setup_default_store
+    @document = Document.new(:some_data => 1).make_immutable!
+    @document.should_not be_mutable
+  end
+  
+  it "should be able to be mutable again" do
+    @document.make_mutable!
+    @document.should be_mutable
+  end
+  
+  
+  
 end
 
 describe "Valid Document's JSON" do