Update PULL-EXAMPLE.md

Fixing template

PULL-EXAMPLE.md

@@ -23,7 +23,7 @@ it out with the correct data.
 Blank template:
 
 ```yml
-- vendor: ''
+  - vendor: ''
     product: ''
     cves:
       cve-2021-4104:
@@ -74,8 +74,8 @@ given there are no patched versions available for this entry.
 Entry example:
 
 ```yml
-- vendor: CISA
-  product: Product
+  - vendor: Example Vendor
+    product: Example Product
     cves:
       cve-2021-4104:
         investigated: false
@@ -91,17 +91,17 @@ Entry example:
         fixed_versions: []
         unaffected_versions: []
       cve-2021-45046:
-      investigated: false
+        investigated: ''
         affected_versions: []
         fixed_versions: []
         unaffected_versions: []
       cve-2021-45105:
-      investigated: false
+        investigated: ''
         affected_versions: []
         fixed_versions: []
         unaffected_versions: []
     vendor_links:
-  - https://example.org/
+      - https://www.example.org/
     notes: Contains vulnerable code but not likely to get 
     unauthenticated user input to the log4j component.
     references: