diff --git a/README.md b/README.md
index 8cd7a5f..66f5f4c 100644
--- a/README.md
+++ b/README.md
@@ -36,6 +36,8 @@ You can submit your entry [here](https://forms.gle/6jjj8jxNQ5Ln53ie6).
     * System.Collections.Generic
 * As implied by the allowed namespaces, you may not read data from a file or access the internet, nor may you create any new threads or tasks to run code in parallel/in the background.
 * You may not use the unsafe keyword.
+* You may not store data inside the name of a variable/function/class etc (to be extracted with nameof(), GetType().ToString(), and so on).
+   * Very clever idea though, thank you to [#12](https://github.com/SebLague/Chess-Challenge/issues/12).
 * All of your code/data must be contained within the _MyBot.cs_ file.
    * Note: you may create additional scripts for testing/training your bot, but only the _MyBot.cs_ file will be submitted, so it must be able to run without them.
    * You may not rename the _MyBot_ struct or _Think_ function contained in the _MyBot.cs_ file.