docs: update all netpol comments to reflect suggestions

jupyterhub/templates/hub/netpol.yaml

@@ -23,7 +23,7 @@ spec:
   #    "sources"/"destinations" of four different kinds.
   #    - podSelector                        - targets pods with a certain label in the same namespace as the NetworkPolicy
   #    - namespaceSelector                  - targets all pods running in namespaces with a certain label
-  #    - namespaceSelector and podSelector  - targets pods with a certain label within namespaces with a certain label
+  #    - namespaceSelector and podSelector  - targets pods with a certain label running in namespaces with a certain label
   #    - ipBlock                            - targets network traffic from/to a set of IP address ranges
   #
   # Read more at: https://kubernetes.io/docs/concepts/services-networking/network-policies/#behavior-of-to-and-from-selectors

jupyterhub/templates/proxy/autohttps/netpol.yaml

@@ -21,11 +21,11 @@ spec:
   #
   # 1. You can provide "from"/"to" rules that provide access either ports or a
   #    subset of ports.
-  # 2. You can for each "form"/"to" rule provide any number of
+  # 2. You can for each "from"/"to" rule provide any number of
   #    "sources"/"destinations" of four different kinds.
-  #    - podSelector                        - targets pods with a certain label in the NetworkPolicy's namespace
-  #    - namespaceSelector                  - targets all pods within namespaces with a certain label
-  #    - namespaceSelector and podSelector  - targets pods with a certain label within namespaces with a certain label
+  #    - podSelector                        - targets pods with a certain label in the same namespace as the NetworkPolicy
+  #    - namespaceSelector                  - targets all pods running in namespaces with a certain label
+  #    - namespaceSelector and podSelector  - targets pods with a certain label running in namespaces with a certain label
   #    - ipBlock                            - targets network traffic from/to a set of IP address ranges
   #
   # Read more at: https://kubernetes.io/docs/concepts/services-networking/network-policies/#behavior-of-to-and-from-selectors

jupyterhub/templates/proxy/netpol.yaml

@@ -23,11 +23,11 @@ spec:
   #
   # 1. You can provide "from"/"to" rules that provide access either ports or a
   #    subset of ports.
-  # 2. You can for each "form"/"to" rule provide any number of
+  # 2. You can for each "from"/"to" rule provide any number of
   #    "sources"/"destinations" of four different kinds.
-  #    - podSelector                        - targets pods with a certain label in the NetworkPolicy's namespace
-  #    - namespaceSelector                  - targets all pods within namespaces with a certain label
-  #    - namespaceSelector and podSelector  - targets pods with a certain label within namespaces with a certain label
+  #    - podSelector                        - targets pods with a certain label in the same namespace as the NetworkPolicy
+  #    - namespaceSelector                  - targets all pods running in namespaces with a certain label
+  #    - namespaceSelector and podSelector  - targets pods with a certain label running in namespaces with a certain label
   #    - ipBlock                            - targets network traffic from/to a set of IP address ranges
   #
   # Read more at: https://kubernetes.io/docs/concepts/services-networking/network-policies/#behavior-of-to-and-from-selectors

jupyterhub/templates/singleuser/netpol.yaml

@@ -20,11 +20,11 @@ spec:
   #
   # 1. You can provide "from"/"to" rules that provide access either ports or a
   #    subset of ports.
-  # 2. You can for each "form"/"to" rule provide any number of
+  # 2. You can for each "from"/"to" rule provide any number of
   #    "sources"/"destinations" of four different kinds.
-  #    - podSelector                        - targets pods with a certain label in the NetworkPolicy's namespace
-  #    - namespaceSelector                  - targets all pods within namespaces with a certain label
-  #    - namespaceSelector and podSelector  - targets pods with a certain label within namespaces with a certain label
+  #    - podSelector                        - targets pods with a certain label in the same namespace as the NetworkPolicy
+  #    - namespaceSelector                  - targets all pods running in namespaces with a certain label
+  #    - namespaceSelector and podSelector  - targets pods with a certain label running in namespaces with a certain label
   #    - ipBlock                            - targets network traffic from/to a set of IP address ranges
   #
   # Read more at: https://kubernetes.io/docs/concepts/services-networking/network-policies/#behavior-of-to-and-from-selectors