Updated the command in Step 3

Author: gtrivedi88

modules/op-running-a-pipeline.adoc

@@ -19,7 +19,7 @@ $ tkn pipeline start build-and-deploy \
     -w name=shared-workspace,volumeClaimTemplateFile=https://raw.githubusercontent.com/openshift/pipelines-tutorial/{pipelines-ver}/01_pipeline/03_persistent_volume_claim.yaml \
     -p deployment-name=pipelines-vote-api \
     -p git-url=https://github.com/openshift/pipelines-vote-api.git \
-    -p IMAGE=image-registry.openshift-image-registry.svc:5000/pipelines-tutorial/pipelines-vote-api \
+    -p IMAGE='image-registry.openshift-image-registry.svc:5000/$(context.pipelineRun.namespace)/pipelines-vote-api' \
     --use-param-defaults
 ----
 +
@@ -42,7 +42,7 @@ $ tkn pipeline start build-and-deploy \
     -w name=shared-workspace,volumeClaimTemplateFile=https://raw.githubusercontent.com/openshift/pipelines-tutorial/{pipelines-ver}/01_pipeline/03_persistent_volume_claim.yaml \
     -p deployment-name=pipelines-vote-ui \
     -p git-url=https://github.com/openshift/pipelines-vote-ui.git \
-    -p IMAGE=image-registry.openshift-image-registry.svc:5000/$(context.pipelineRun.namespace)/pipelines-vote-ui \
+    -p IMAGE='image-registry.openshift-image-registry.svc:5000/$(context.pipelineRun.namespace)/pipelines-vote-ui' \
     --use-param-defaults
 ----