nit: improve logging for the custom annotation enricher and adjust th…

…e name of its parameter in the example

components/enrichers/custom-annotation/main.go

@@ -28,7 +28,7 @@ func enrichIssue(i *apiv1.Issue, annotations string) (*apiv1.EnrichedIssue, erro
 	enrichedIssue := apiv1.EnrichedIssue{}
 	annotationMap := map[string]string{}
 	if err := json.Unmarshal([]byte(annotations), &annotationMap); err != nil {
-		return nil, errors.Errorf("could not unmarshall annotation object %s to map[string]string, err: %w", annotations, err)
+		return nil, errors.Errorf("could not unmarshall annotation object '%s' to map[string]string, err: %w", annotations, err)
 	}
 	enrichedIssue = apiv1.EnrichedIssue{
 		RawIssue:    i,

examples/pipelines/custom-annotations-enricher-project/pipelinerun.yaml

@@ -9,7 +9,7 @@ spec:
   params:
   - name: git-clone-url
     value: https://github.com/sqreen/go-dvwa.git
-  - name: enricher-custom-annotation-annotations
+  - name: enricher-custom-annotation-base-annotation
     value: |
       {"foo":"bar",
       "a":"b",