diff --git a/docs/source/doc/kaleidoscope/PythonLangImpl2.rst b/docs/source/doc/kaleidoscope/PythonLangImpl2.rst
index 8c915db..d5d6efc 100644
--- a/docs/source/doc/kaleidoscope/PythonLangImpl2.rst
+++ b/docs/source/doc/kaleidoscope/PythonLangImpl2.rst
@@ -811,7 +811,7 @@ Lexer
             yield CharacterToken(string[0])
             string = string[1:]
    
-   yield EOFToken()
+      yield EOFToken()