diff --git a/source/exec.tex b/source/exec.tex
index 5f489ee071..0fc60a97ed 100644
--- a/source/exec.tex
+++ b/source/exec.tex
@@ -7365,7 +7365,7 @@
 
     void start() & noexcept;
 
-private:
+  private:
     using @\exposidnc{own-env-t}@ = @\seebelownc@;                // \expos
     coroutine_handle<promise_type> @\exposidnc{handle}@;      // \expos
     remove_cvref_t<Rcvr>           @\exposidnc{rcvr}@;        // \expos