diff --git a/_subsections/fullcourse/09-keyword_research/c01-flip_industry_approach.org b/_subsections/fullcourse/09-keyword_research/c01-flip_industry_approach.org
index 5fe7eca..210168f 100644
--- a/_subsections/fullcourse/09-keyword_research/c01-flip_industry_approach.org
+++ b/_subsections/fullcourse/09-keyword_research/c01-flip_industry_approach.org
@@ -1,5 +1,5 @@
#+title: keyword research 01: flip the industry
-#+HTML_HEAD:
+#+HTML_HEAD:
* Links
#+attr_html: :class links