diff --git a/protocol/doc.go b/protocol/doc.go
index de62e27..ed76331 100644
--- a/protocol/doc.go
+++ b/protocol/doc.go
@@ -16,4 +16,10 @@
 // character for wildcard matching.
 //
 // The supported magic strings input is documented in the [Match] function.
+//
+// # Strict mode
+//
+// Some parser also allow for strict parsing of the protocol, which results in a higher confidence
+// score, but it also may lead to more false negatives. If [Strict] mode is enabled, then only the
+// detectors that support strict checking will be used for protocol detections.
 package protocol