diff --git a/addons/ot/README-func b/addons/ot/README-func
index 273c7f9..a6cb21e 100644
--- a/addons/ot/README-func
+++ b/addons/ot/README-func
@@ -144,7 +144,7 @@
       flt_ot_runtime_context_init(<err>) {
          flt_ot_pool_alloc() {
          }
-         /* Initializing and setting the variable 'sess.ot.uuid'. */
+         /* Initializing and setting the variable 'txn.ot.uuid'. */
          if (flt_ot_var_register(<err>) != -1) {
             flt_ot_var_set(<err>) {
             }