Update tcl.html.markdown (#2640)

Fixed fold example to return actual result instead of the word "res"
adambard · Jan 28, 2017 · c65e451 · c65e451
1 parent 05e4c41
commit c65e451
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/tcl.html.markdown b/tcl.html.markdown
@@ -268,7 +268,7 @@ proc fold {cmd args} {
     foreach arg $args {
         set res [$cmd $res $arg]
     }
-    return res
+    return $res
 }
 fold ::tcl::mathop::* 5 3 3 ;# ->  45