tiny fix

Signed-off-by: MengqingCao <cmq0113@163.com>

Author: MengqingCao

.github/workflows/vllm_ascend_test_pd.yaml

@@ -100,8 +100,8 @@ jobs:
         run: |
           pip install -r requirements-dev.txt
           pip install -v -e .
-      # only run test on spec decode when the related code changed
-      - name: Check for changes in Speculative Decode
+      # only run test on PD Disaggregation when the related code changed
+      - name: Check for changes in PD Disaggregation
         if: github.event_name != 'schedule'
         id: filter_pd
         uses: dorny/paths-filter@v3