diff --git a/Step_0.md b/Step_0.md
index 3fec8376d1aa4aba70f166cc82cb4399373d4c3c..1a2dbcb2fe5deeb511e9711cb57976fb2f9c76c8 100644
--- a/Step_0.md
+++ b/Step_0.md
@@ -37,5 +37,5 @@ The service stanza of the message is an example of protobuf service IDL
 receives a request containing a name and returns a response containing a
 message.
 
-Next, in [Step-1](Step-1.md), we'll use protoc to generate client code from
+Next, in [Step_1](Step_1.md), we'll use protoc to generate client code from
 this IDL.