Update forensics.md

Author: andrewjbennett

forensics.md

@@ -16,7 +16,7 @@ This category refers to the recovery of information from evidence, like extracti
 * ZIP Tunnel \[160 points\]
 * Finn \[200 points\]
 * Kittycat \[290 points\]
-* Serial \[300 points\](/forensics/serial-300-points.md)
+* [Serial \[300 points\]](/forensics/serial-300-points.md)
 * Decomphose \[325 points\]
 * QR 2 \[330 points\]
 * Bizzaro \[400 points\]