diff --git a/tools/analyze-historical-attacks.sh b/tools/analyze-historical-attacks.sh
index c56c1c1..5a7e354 100755
--- a/tools/analyze-historical-attacks.sh
+++ b/tools/analyze-historical-attacks.sh
@@ -32,6 +32,7 @@ YELLOW='\033[1;33m'
 GREEN='\033[0;32m'
 BLUE='\033[0;34m'
 CYAN='\033[0;36m'
+BOLD='\033[1m'
 NC='\033[0m'
 
 # Default options