diff --git a/.github/workflows/build-operator.yaml b/.github/workflows/build-operator.yaml
index 0adcf2bc..c9114976 100644
--- a/.github/workflows/build-operator.yaml
+++ b/.github/workflows/build-operator.yaml
@@ -41,7 +41,7 @@ jobs:
           image:
             repository: registry.uffizzi.com/${{ env.UUID_OPERATOR }}
             tag: 48h
-          concurrent: 20
+          concurrent: 5
           EOF
           cat helm-values.yaml  # For debugging, to check the contents of the file.
       - name: Upload Helm Values as Artifact
diff --git a/.github/workflows/e2e-perf.yaml b/.github/workflows/e2e-perf.yaml
index 5172a7d0..8c4abb96 100644
--- a/.github/workflows/e2e-perf.yaml
+++ b/.github/workflows/e2e-perf.yaml
@@ -284,9 +284,8 @@ jobs:
             
             ### n(=${{ env.N_SIMUL_CLUSTERS }}) simultaneous cluster creation
             
-            Creating simultaneously to check if operator is able to manage the load of creating multiple clusters
-            at once. Creating multiple clusters simultaneously, in operator deployments; of varying number of concurrent
-            workers help us understand how the operator manages high load in restricted environments as well.
+            This test is creating multiple clusters simultaneously in operator deployments of varying number of concurrent
+            workers to help us understand how the operator manages high load in restricted environments.
             
             ![n simultaneous cluster creation](${{ fromJSON(steps.upload_simul_image.outputs.imgur_urls)[0] }})
           edit-mode: replace
diff --git a/hack/e2e/perf/viz/generate_cold_start_graph.py b/hack/e2e/perf/viz/generate_cold_start_graph.py
index e1cd74f2..a5c54258 100644
--- a/hack/e2e/perf/viz/generate_cold_start_graph.py
+++ b/hack/e2e/perf/viz/generate_cold_start_graph.py
@@ -27,9 +27,9 @@
 plt.yticks(range(0, max(performance_times) + 10, 5))
 
 # Add title and labels
-plt.title('Cold Start Performance Comparison : PR vs Main Branch')
-plt.xlabel('Branch')
-plt.ylabel('Time Taken (seconds)')
+plt.title('cold start readiness comparison : PR vs Main Branch')
+plt.xlabel('branch')
+plt.ylabel('time taken for readiness (seconds)')
 plt.grid(True)
 plt.legend()