Update collections/_posts/2025-08-19-evolving-typelevel.md

Co-authored-by: Seth Tisue <seth@tisue.net>

Author: jducoeur

collections/_posts/2025-08-19-evolving-typelevel.md

@@ -14,7 +14,7 @@ However, we have not had a well-defined legal status.
 
 We have decided it is time to become a legally-recognized organization. To that end, we are forming the Typelevel
 Foundation, a nonprofit organization incorporated in the United States, in the state of California. Additionally, we are applying for
-501(c)(3) tax-exempt status from the IRS, but this process will take several months.
+501(c)(3) tax-exempt status from the IRS (the US tax agency), but this process will take several months.
 
 The initial Board of Directors for the Foundation will be: