slightly improve description of dnsquestion.variable attribute in Lua.

diff --git a/docs/markdown/recursor/scripting.md b/docs/markdown/recursor/scripting.md
index 7bdda0a96405e7f4ea36d2e1898d8446c405081c..f81ff82de7fb15f2134ba86b8d114e3c8f85db4b 100644 (file)
--- a/docs/markdown/recursor/scripting.md
+++ b/docs/markdown/recursor/scripting.md
@@ -115,7 +115,7 @@ The DNSQuestion object contains at least the following fields:
 * rcode - current DNS Result Code, which can be overridden, including to several magical values
 * remoteaddr - address of the requestor
 * localaddr - address this query was received on
-* variable - a boolean which, if sets, indicates the recursor should not packet cache this answer. Honored even when returning 'false'! 
+* variable - a boolean which, if set, indicates the recursor should not packet cache this answer. Honored even when returning 'false'! Important when providing answers that vary over time or based on sender details.
 
 It also supports the following methods: