diff --git a/compiler/symconst.pas b/compiler/symconst.pas
index 371a5aa0ed..aa16ad9abb 100644
--- a/compiler/symconst.pas
+++ b/compiler/symconst.pas
@@ -505,8 +505,8 @@ type
     tsk_block_invoke_procvar,  // Call a procvar to invoke inside a block
     tsk_interface_wrapper,     // Call through to a method from an interface wrapper
     tsk_call_no_parameters,    // Call skpara procedure without passing any parameters nor returning a result
-    tsk_wasm_suspending,
-    tsk_wasm_promising
+    tsk_wasm_suspending,       // WebAssembly suspending external wrapper
+    tsk_wasm_promising         // WebAssembly promising export wrapper
   );
 
   { synthetic procdef supplementary information (tprocdef.skpara) }