diff --git a/README.md b/README.md
index 45b16f9..037885e 100644
--- a/README.md
+++ b/README.md
@@ -109,7 +109,7 @@ import (
 )
 
 type HiParams struct {
-	Name string `json:"name", mcp:"the name of the person to greet"`
+	Name string `json:"name" jsonschema:"the name of the person to greet"`
 }
 
 func SayHi(ctx context.Context, cc *mcp.ServerSession, params *mcp.CallToolParamsFor[HiParams]) (*mcp.CallToolResultFor[any], error) {
diff --git a/examples/hello/main.go b/examples/hello/main.go
index 84cff1e..f01a6c9 100644
--- a/examples/hello/main.go
+++ b/examples/hello/main.go
@@ -19,7 +19,7 @@ import (
 var httpAddr = flag.String("http", "", "if set, use streamable HTTP at this address, instead of stdin/stdout")
 
 type HiArgs struct {
-	Name string `json:"name" mcp:"the name to say hi to"`
+	Name string `json:"name" jsonschema:"the name to say hi to"`
 }
 
 func SayHi(ctx context.Context, ss *mcp.ServerSession, params *mcp.CallToolParamsFor[HiArgs]) (*mcp.CallToolResultFor[struct{}], error) {
diff --git a/internal/readme/server/server.go b/internal/readme/server/server.go
index 7c02541..8901e77 100644
--- a/internal/readme/server/server.go
+++ b/internal/readme/server/server.go
@@ -13,7 +13,7 @@ import (
 )
 
 type HiParams struct {
-	Name string `json:"name", mcp:"the name of the person to greet"`
+	Name string `json:"name" jsonschema:"the name of the person to greet"`
 }
 
 func SayHi(ctx context.Context, cc *mcp.ServerSession, params *mcp.CallToolParamsFor[HiParams]) (*mcp.CallToolResultFor[any], error) {