Update index.md

Author: mkfahim

topics/Verilog/index.md

@@ -2,7 +2,7 @@
 aliases: hdl, hardware-description-language
 display_name: Verilog
 short_description: Verilog is a hardware description language used to model electronic systems.
-topic: Verilog
+topic: verilog
 wikipedia_url: https://en.wikipedia.org/wiki/Verilog
 ---
 Verilog is a hardware description language (HDL) that provides a way to model, simulate, and synthesize digital circuits. It allows designers to describe the structure and behavior of electronic systems in a textual format, facilitating the design and verification of complex hardware.