diff --git a/README.md b/README.md
index 6328c4f..3090aac 100644
--- a/README.md
+++ b/README.md
@@ -1,11 +1,14 @@
 # graphene-federation
 
-Federation support for ![Graphene Logo](http://graphene-python.org/favicon.png) [Graphene](http://graphene-python.org) following the [Federation specifications](https://www.apollographql.com/docs/apollo-server/federation/federation-spec/).
+Federation support for ![Graphene Logo](http://graphene-python.org/favicon.png) [Graphene](http://graphene-python.org) following the [Apollo Federation specifications](https://www.apollographql.com/docs/federation/subgraph-spec).
 
+[![PyPI version][pypi-image]][pypi-url]
 [![Unit Tests Status][unit-tests-image]][unit-tests-url]
 [![Coverage Status][coveralls-image]][coveralls-url]
 [![Integration Tests Status][integration-tests-image]][integration-tests-url]
 
+[pypi-image]: https://badge.fury.io/py/graphene-federation.svg
+[pypi-url]: https://pypi.org/project/graphene-federation/
 [unit-tests-image]: https://github.com/graphql-python/graphene-federation/workflows/Unit%20Tests/badge.svg?branch=main
 [unit-tests-url]: https://github.com/graphql-python/graphene-federation/actions?query=workflow%3A"Unit+Tests"
 [coveralls-image]: https://coveralls.io/repos/github/graphql-python/graphene-federation/badge.svg?branch=main
@@ -168,7 +171,7 @@ There is also a cool [example](https://github.com/preply/graphene-federation/iss
 ## Known issues
 
 1. decorators will not work properly on fields with custom names for example `some_field = String(name='another_name')`
-1. `@key` decorator will not work on [compound primary key](https://www.apollographql.com/docs/federation/entities/#defining-a-compound-primary-key)
+1. `@key` decorator will not work on [compound primary key](https://www.apollographql.com/docs/federation/entities-advanced/#compound-keys)
 
 ------------------------
 
diff --git a/graphene_federation/service.py b/graphene_federation/service.py
index 3c40da6..acfd29d 100644
--- a/graphene_federation/service.py
+++ b/graphene_federation/service.py
@@ -36,7 +36,7 @@ def convert_fields(schema: Schema, fields: list[str]) -> str:
 def field_to_string(field) -> str:
     str_field = print_fields(field)
     # Remove blocks added by `print_block`
-    block_match = re.match(" \{\n(?P<field_str>.*)\n\}", str_field, flags=re.DOTALL)
+    block_match = re.match(r" \{\n(?P<field_str>.*)\n\}", str_field, flags=re.DOTALL)
     if block_match:
         str_field = block_match.groups()[0]
     return str_field
diff --git a/setup.py b/setup.py
index 86b2f74..845595a 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 def read(*rnames):
   return open(os.path.join(os.path.dirname(__file__), *rnames)).read()
 
-version = '3.0.1'
+version = '3.0.2'
 
 tests_require = [
     "pytest==7.1.2",