diff --git a/README.rst b/README.rst
index fd8070b..9bab153 100644
--- a/README.rst
+++ b/README.rst
@@ -631,7 +631,8 @@ Rendered results can be found at `here <https://github.com/thombashi/pytablewrit
 
 Theme
 ~~~~~~~
-Themes consists of a set of style filters.
+`Theme <https://pytablewriter.readthedocs.io/en/latest/pages/reference/theme.html#pytablewriter.style.Theme>`
+consists of a set of style filters.
 The following command will install external predefined themes:
 
 ::