diff --git a/_posts/2020-11-12-how-to-fund-open-source-software.md b/_posts/2020-11-12-how-to-fund-open-source-software.md
index 3ff472f..ad8da79 100644
--- a/_posts/2020-11-12-how-to-fund-open-source-software.md
+++ b/_posts/2020-11-12-how-to-fund-open-source-software.md
@@ -92,7 +92,7 @@ Or maintain a marketplace where buyers and sellers meet, while you take care of
 
 Check out [COSSI](https://docs.google.com/spreadsheets/d/17nKMpi_Dh5slCqzLSFBoWMxNvWiwt2R-t4e_l7LPLhU/edit#gid=0): $100M+ Revenue Commercial Open-Source Software (COSS) Company Index.
 
-And the story of (Sidekiq)[https://www.indiehackers.com/interview/how-charging-money-for-pro-features-allowed-me-quit-my-job-6e71309457], a free open source utility that offers Pro and Enterprise commercial extensions.
+And the story of (Sidekiq)[https://www.indiehackers.com/interview/how-charging-money-for-pro-features-allowed-me-quit-my-job-6e71309457], a free open source utility that offers Pro and Enterprise commercial extensions. So called "open core" model.
 
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