doc(README): fix typos

Author: JohnCoene

README.md

@@ -152,15 +152,15 @@ resource_content <- resources_read(
 print(resource_content)
 ```
 
-## ellmer integrations
+## ellmer integration
 
 Use the `register_mcpr_tools` function to convert MCPR tools to ellmer tools and 
 register them with an ellmer chat session.
 
 Note that this integration is not standard since ellmer does not currently support
 MCPs. Here we re-recreate the tools obtained via `tools_list` as ellmer tools which
 themselves call `tools_call` to execute the tool.
-The tools are currently not namesppaced.
+The tools are currently not namespaced.
 
 ```r
 # Create an MCPR client connected to the calculator server