Merge pull request kubernetes#36674 from janetkuo/pull-request-template

Automatic merge from submit-queue

Fix PR template

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**What this PR does / why we need it**: Fix PR template for closing issues with PRs, see kubernetes#32398 (comment) 

cc @ymqytw 

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #

**Special notes for your reviewer**:

**Release note**:
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Author: Kubernetes Submit Queue

.github/PULL_REQUEST_TEMPLATE.md

@@ -6,7 +6,7 @@
 
 **What this PR does / why we need it**:
 
-**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
+**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
 
 **Special notes for your reviewer**: