diff --git a/src/docs/markdown/caddyfile/matchers.md b/src/docs/markdown/caddyfile/matchers.md
index 5b5c01c..ae3c3db 100644
--- a/src/docs/markdown/caddyfile/matchers.md
+++ b/src/docs/markdown/caddyfile/matchers.md
@@ -538,6 +538,8 @@ By query string parameters. Should be a sequence of `key=value` pairs. Keys are
 
 There can be multiple `query` matchers per named matcher, and pairs with the same keys will be OR'ed together.
 
+Illegal query strings (bad syntax, unescaped semicolons, etc.) will fail to parse and thus will not match.
+
 #### Example:
 
 Match requests with a `sort` query parameter with the value `asc`: