diff --git a/cesnet-central/deployments/fullhub.yaml b/cesnet-central/deployments/fullhub.yaml
index ffe9eeeac8cd153c5454e03ef3d98585003f5df7..1c1daf628738b81622d253e255307699e57dc1e8 100644
--- a/cesnet-central/deployments/fullhub.yaml
+++ b/cesnet-central/deployments/fullhub.yaml
@@ -138,7 +138,7 @@ singleuser:
       #
       #ResourceUseDisplay.mem_warning_threshold=0.25 sets for resource-usage
       #extension to warn about used memory when only 25% of memory is available
-      #which is also used by EGI notebooks-resource-warning extension 
+      #which is also used by EGI notebooks-resource-warning extension
       stringData: |-
         #! /bin/sh
         #
diff --git a/common/deployments/hub-production.yaml b/common/deployments/hub-production.yaml
index cda893fb5e08365ab8b8712d89bd3fbb01baba5d..3fc838ececa8a7e80039b0d80e7b571043170700 100644
--- a/common/deployments/hub-production.yaml
+++ b/common/deployments/hub-production.yaml
@@ -120,7 +120,7 @@ singleuser:
       #
       #ResourceUseDisplay.mem_warning_threshold=0.25 sets for resource-usage
       #extension to warn about used memory when only 25% of memory is available
-      #which is also used by EGI notebooks-resource-warning extension 
+      #which is also used by EGI notebooks-resource-warning extension
       stringData: |-
         #! /bin/sh
         #
diff --git a/common/deployments/hub-staging.yaml b/common/deployments/hub-staging.yaml
index ad8c2c135d3e75bf24e68e020f5bb29a3a50bfa7..24e83a0df5331f7435d50976c9d590075884ccea 100644
--- a/common/deployments/hub-staging.yaml
+++ b/common/deployments/hub-staging.yaml
@@ -120,7 +120,7 @@ singleuser:
       #
       #ResourceUseDisplay.mem_warning_threshold=0.25 sets for resource-usage
       #extension to warn about used memory when only 25% of memory is available
-      #which is also used by EGI notebooks-resource-warning extension 
+      #which is also used by EGI notebooks-resource-warning extension
       stringData: |-
         #! /bin/sh
         #
diff --git a/testing/deployments/hub.yaml b/testing/deployments/hub.yaml
index 2a10106fdb57636c3b27a95586fde7c1080dc956..7022425d1bd857c4a8ade7b69c704d623bbb073b 100644
--- a/testing/deployments/hub.yaml
+++ b/testing/deployments/hub.yaml
@@ -114,15 +114,14 @@ singleuser:
     singleuser-webdav-wrapper.sh:
       mode: 0755
       mountPath: /usr/local/bin/jupyterhub-singleuser-webdav-wrapper
-
       #NotebookNotary.db_file=':memory:' is used due to issues
       #notebook notary file was causing in ~/.jupyter in ownCloud mount
       #
       #LabApp.custom_css=True allows to use custom CSS for EOSC style
       #
-      #ResourceUseDisplay.mem_warning_threshold=0.75 sets memory warning at 75%
-      #threshold for resource-usage extension which is also used by EGI
-      #notebooks-resource-warning extension 
+      #ResourceUseDisplay.mem_warning_threshold=0.25 sets for resource-usage
+      #extension to warn about used memory when only 25% of memory is available
+      #which is also used by EGI notebooks-resource-warning extension
       stringData: |-
         #! /bin/sh
         #