diff --git a/scripts/base/protocols/sip/main.bro b/scripts/base/protocols/sip/main.bro
index 9e0abcaaad..c9fa937c10 100644
--- a/scripts/base/protocols/sip/main.bro
+++ b/scripts/base/protocols/sip/main.bro
@@ -68,8 +68,8 @@ export {
 	};
 		
 	## A list of SIP methods. Other methods will generate a weird. Note
-    ## that the SIP analyzer will only accept methods consisting solely
-    ## of letters ``[A-Za-z]``.
+	## that the SIP analyzer will only accept methods consisting solely
+	## of letters ``[A-Za-z]``.
 	const sip_methods: set[string] = {
 		"REGISTER", "INVITE", "ACK", "CANCEL", "BYE", "OPTIONS"
 	} &redef;