diff --git a/lib/tip_tap/nodes/text.rb b/lib/tip_tap/nodes/text.rb
index e55635b..b184b97 100644
--- a/lib/tip_tap/nodes/text.rb
+++ b/lib/tip_tap/nodes/text.rb
@@ -37,7 +37,7 @@ def to_html
         value
       end
 
-      def to_plain_text
+      def to_plain_text(separator: " ")
         text
       end
 
diff --git a/lib/tip_tap/plain_text_renderable.rb b/lib/tip_tap/plain_text_renderable.rb
index 08d4359..f7262c7 100644
--- a/lib/tip_tap/plain_text_renderable.rb
+++ b/lib/tip_tap/plain_text_renderable.rb
@@ -3,8 +3,8 @@
 module TipTap
   module PlainTextRenderable
     # Useful for searching
-    def to_plain_text
-      content.map(&:to_plain_text).join(" ")
+    def to_plain_text(separator: " ")
+      content.map { |node| node.to_plain_text(separator: separator) }.join(separator)
     end
   end
 end