drop is the target that avoids ICMP responses. I believe this was just
an omission when copy/pasting the command above.

howto/nftables.md

@@ -63,7 +63,7 @@ table, you could do this to block a host from accessing the server:
 That will generate an ICMP response. If this is a DOS condition, you
 might rather avoid that and simply drop the packet with:
 
-    nft insert rule inet filter INPUT 'ip saddr 192.0.2.0/24 reject'
+    nft insert rule inet filter INPUT 'ip saddr 192.0.2.0/24 drop'
 
 # Deleting a rule