diff --git a/SC2089.md b/SC2089.md
index f833175..0187b0d 100644
--- a/SC2089.md
+++ b/SC2089.md
@@ -52,3 +52,7 @@ Then you can use `touch "'; rm -rf \$'\x2F'; '.txt"`  (or someone can trick you
 ### Exceptions
 
 Few and far between.
+
+### Additional resources
+
+[Wooledge BashFAQ #50](http://mywiki.wooledge.org/BashFAQ/050): I'm trying to put a command in a variable, but the complex cases always fail!
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