fix readme.md

Author: lukeina2z

instrumentation-genai/README.md

@@ -3,8 +3,8 @@
 | --------------- | ------------------ | --------------- | -------------- |
 | [opentelemetry-instrumentation-google-genai](./opentelemetry-instrumentation-google-genai) | google-genai >= 1.0.0 | No | development
 | [opentelemetry-instrumentation-langchain](./opentelemetry-instrumentation-langchain) | langchain >= 0.3.21 | No | development
+| [opentelemetry-instrumentation-mcp](./opentelemetry-instrumentation-mcp) | mcp >= 1.8.1 | No | development
 | [opentelemetry-instrumentation-openai-agents-v2](./opentelemetry-instrumentation-openai-agents-v2) | openai-agents >= 0.3.3 | No | development
 | [opentelemetry-instrumentation-openai-v2](./opentelemetry-instrumentation-openai-v2) | openai >= 1.26.0 | Yes | development
 | [opentelemetry-instrumentation-vertexai](./opentelemetry-instrumentation-vertexai) | google-cloud-aiplatform >= 1.64 | No | development
 | [opentelemetry-instrumentation-weaviate](./opentelemetry-instrumentation-weaviate) | weaviate-client >= 3.0.0,<5.0.0 | No | development
-| [opentelemetry-instrumentation-mcp](./opentelemetry-instrumentation-mcp) | mcp >= 1.8.1 | No | development

instrumentation-genai/opentelemetry-instrumentation-mcp/src/opentelemetry/instrumentation/mcp/package.py

@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-_instruments = "mcp >= 1.8.1"
+_instruments = ("mcp >= 1.8.1",)