diff --git a/zk/Bus.md b/zk/Bus.md
index ffb8882..cb3ec1a 100644
--- a/zk/Bus.md
+++ b/zk/Bus.md
@@ -42,8 +42,9 @@ link is used to transfer the data from an end to another. On other hand Parallel
Transmission is the transmission in which multiple parallel links are used that
transmit each bit of data simultaneously.
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-
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+
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- Serial buses are cheaper to implement than parallel buses
- Serial buses operate at greater [latency](Bus.md#latency) than parallel buses