diff --git a/bad_user_agents.regex.txt b/bad_user_agents.regex.txt
index f3e8680..12e9092 100644
--- a/bad_user_agents.regex.txt
+++ b/bad_user_agents.regex.txt
@@ -8,6 +8,7 @@
 \bAwarioSmartBot\b
 \bbigsur.ai\b
 \bBitSightBot\b
+\bBuck\b
 \bbytedance\b
 \bBytespider\b
 \bCCBot\b
@@ -42,7 +43,7 @@
 \bKStandBot\b
 \bLinerBot\b
 \bmeta-externalagent\b
-\bmeta-externalfetcher\
+\bmeta-externalfetcher\b
 \bMetaInspector\b
 \bMistralAI-User\b
 \bnetEstate Imprint Crawler\b