escape markdown formatting chars

diff --git a/docs/markdown/authoritative/backend-pipe.md b/docs/markdown/authoritative/backend-pipe.md
index e8e7ea43accf4624d22d32043ab74a9d29482173..242fea6ef6be068b55c03f2235b4d08c9da1d2fa 100644 (file)
--- a/docs/markdown/authoritative/backend-pipe.md
+++ b/docs/markdown/authoritative/backend-pipe.md
@@ -118,12 +118,13 @@ You can ignore it unless you want to support `AXFR`.
 Note that for the SOA query that precedes an AXFR, edns-subnet is always set to 0.0.0.0/0.
 
 **Note**: Queries for wildcard names should be answered literally, without expansion.
-So, if a backend gets a question for "*.powerdns.com", it should only answer with data if there is an actual "*.powerdns.com" name.
+So, if a backend gets a question for "\*.powerdns.com", it should only answer with data if there is an actual "\*.powerdns.com" name.
 
 **Note**: In some (broken) network setups, the `remote-ip-address` and/or `local-ip-address`, when it is an IPv6 address, may be suffixed with a `%` and
 the name of the network interface (e.g. `%eth1`).
 Keep this in mind when checking the IP addresses.
 
+
 ## `AXFR`: List an entire zone
 AXFR-queries look like this: