docs: fix links to examples

plugins/node/opentelemetry-plugin-express/README.md

@@ -43,7 +43,7 @@ const { NodeTracerProvider } = require('@opentelemetry/node');
 const provider = new NodeTracerProvider();
 ```
 
-See [examples/express](https://github.com/open-telemetry/opentelemetry-js/tree/master/examples/express) for a short example.
+See [examples/express](https://github.com/open-telemetry/opentelemetry-js-contrib/tree/master/examples/express) for a short example.
 
 ### Caveats
 

plugins/node/opentelemetry-plugin-mongodb/README.md

@@ -43,7 +43,7 @@ const { NodeTracerProvider } = require('@opentelemetry/node');
 const provider = new NodeTracerProvider();
 ```
 
-See [examples/mongodb](https://github.com/open-telemetry/opentelemetry-js/tree/master/examples/mongodb) for a short example.
+See [examples/mongodb](https://github.com/open-telemetry/opentelemetry-js-contrib/tree/master/examples/mongodb) for a short example.
 
 ### Mongo Plugin Options
 

plugins/node/opentelemetry-plugin-mysql/README.md

@@ -44,7 +44,7 @@ const { NodeTracerProvider } = require('@opentelemetry/node');
 const provider = new NodeTracerProvider();
 ```
 
-See [examples/mysql](https://github.com/open-telemetry/opentelemetry-js/tree/master/examples/mysql) for a short example.
+See [examples/mysql](https://github.com/open-telemetry/opentelemetry-js-contrib/tree/master/examples/mysql) for a short example.
 
 ## Useful links
 - For more information on OpenTelemetry, visit: <https://opentelemetry.io/>

plugins/node/opentelemetry-plugin-pg-pool/README.md

@@ -47,7 +47,7 @@ const provider = new NodeTracerProvider({
 });
 ```
 
-See [examples/postgres](https://github.com/open-telemetry/opentelemetry-js/tree/master/examples/postgres) for a short example.
+See [examples/postgres](https://github.com/open-telemetry/opentelemetry-js-contrib/tree/master/examples/postgres) for a short example.
 
 ## Supported Versions
 

plugins/node/opentelemetry-plugin-pg/README.md

@@ -63,7 +63,7 @@ const provider = new NodeTracerProvider({
 });
 ```
 
-See [examples/postgres](https://github.com/open-telemetry/opentelemetry-js/tree/master/examples/postgres) for a short example.
+See [examples/postgres](https://github.com/open-telemetry/opentelemetry-js-contrib/tree/master/examples/postgres) for a short example.
 
 ### PostgreSQL Plugin Options
 

plugins/node/opentelemetry-plugin-redis/README.md

@@ -44,7 +44,7 @@ const { NodeTracerProvider } = require('@opentelemetry/node');
 const provider = new NodeTracerProvider();
 ```
 
-See [examples/redis](https://github.com/open-telemetry/opentelemetry-js/tree/master/examples/redis) for a short example.
+See [examples/redis](https://github.com/open-telemetry/opentelemetry-js-contrib/tree/master/examples/redis) for a short example.
 
 ## Useful links
 - For more information on OpenTelemetry, visit: <https://opentelemetry.io/>