diff --git a/docs/libpsl/libpsl-sections.txt b/docs/libpsl/libpsl-sections.txt
index c858051..ba7cf06 100644
--- a/docs/libpsl/libpsl-sections.txt
+++ b/docs/libpsl/libpsl-sections.txt
@@ -1,6 +1,7 @@
 <SECTION>
 <FILE>libpsl</FILE>
 <TITLE>Public Suffix List functions</TITLE>
+PSL_API
 PSL_VERSION
 PSL_VERSION_MAJOR
 PSL_VERSION_MINOR