diff --git a/docs/API/units/adsorption.txt b/docs/API/units/adsorption.txt
index d5e94454..12f3eac9 100644
--- a/docs/API/units/adsorption.txt
+++ b/docs/API/units/adsorption.txt
@@ -1,4 +1,4 @@
 adsorption
 ==========
 
-.. automodule:: biosteam.units.adsorption
\ No newline at end of file
+.. autoclass:: biosteam.units.adsorption.SingleComponentAdsorptionColumn
\ No newline at end of file