diff --git a/lib/awful/client.lua.in b/lib/awful/client.lua.in
index 35f7ceab..4d5ae4cc 100644
--- a/lib/awful/client.lua.in
+++ b/lib/awful/client.lua.in
@@ -548,7 +548,7 @@ end
 --- Set a client floating state, overriding auto-detection.
 -- Floating client are not handled by tiling layouts.
 -- @param c A client.
--- @param state True or false.
+-- @param s True or false.
 function floating.set(c, s)
     local c = c or capi.client.focus
     if c and property.get(c, "floating") ~= s then