diff --git a/episodes/terminology.md b/episodes/terminology.md
index a1f0d7b..f9ba336 100644
--- a/episodes/terminology.md
+++ b/episodes/terminology.md
@@ -62,6 +62,8 @@ They are considered to be in the **public domain**.
 The motivation for this was to ensure public access to the U.S. legal code.
 This does not apply to works created by *contractors* for the U.S. government (e.g., federally funded research).
 
+Practically, whether works of the US government are released may be complicated by official secrets laws and exceptions to freedom of information requests.
+
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@@ -87,4 +89,4 @@ Your supervisor or your institutional Technology Transfer office may also be abl
 - A license is a legal tool to transfer selected intellectual property rights from one party to another.
 - Creative works, including software, are subject to copyright protections from the moment of creation.
 
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