Secure bootstrap: Fixes based on Nick's review comments

Signed-off-by: Ole Herman Schumacher Elgesem <[email protected]>

getting-started/installation/secure-bootstrap.markdown

@@ -44,12 +44,12 @@ In order to specify and limit which hosts (IP addresses) are considered trusted
 [file=/var/cfengine/masterfiles/def.json]
 {
   "variables": {
-    "default:def.acl": ["1.2.3.4", "4.3.2.1"]
+    "default:def.acl": ["192.0.2.42", "198.51.100.7"]
   }
 }
 ```
 
-**Important:** Replace `1.2.3.4` with the IP address of your hub, `4.3.2.1` with the IP address of your client, and extend the list with any additional IP addresses / subnets.
+**Important:** Replace `192.0.2.42` with the IP address of your hub, `198.51.100.7` with the IP address of your client, and extend the list with any additional IP addresses / subnets.
 
 If you are using CFEngine Build, you can use [this module](https://build.cfengine.com/modules/allow-hosts/), putting the IP addresses as module input, or add the json file above to your project.
 (Save it as a file called `def.json` and do `cfbs add ./def.json`).
@@ -60,7 +60,7 @@ This variable controls 3 different aspects: IP addresses allowed to connect, IP
 At this point, you can run bootstrap on the client to the hub using automatic trust:
 
 ```command
-cf-agent --bootstrap 1.2.3.4
+cf-agent --bootstrap 192.0.2.42
 ```
 
 If the IP addresses are correct, keys will be automatically exchanged, and hosts will start using encrypted communication over TLS, with mutual authentication.
@@ -94,7 +94,7 @@ When combined with the variable above, you can create a very restricted setup:
 [file=/var/cfengine/masterfiles/def.json]
 {
   "variables": {
-    "default:def.acl": ["1.2.3.4", "4.3.2.1"],
+    "default:def.acl": ["192.0.2.42", "198.51.100.7"],
     "default:def.trustkeysfrom": []
   }
 }
@@ -147,7 +147,7 @@ The same applies to passwordless sudo - we're using sudo commands without passwo
 Assuming you are sitting on a laptop / workstation, and have network and SSH access to both the client and the hub, first set up some variables for each of them:
 
 ```command
-BOOTSTRAP_IP="1.2.3.4" HUB_SSH="ubuntu@1.2.3.4" CLIENT_SSH="ubuntu@4.3.2.1"
+BOOTSTRAP_IP="192.0.2.42" HUB_SSH="ubuntu@192.0.2.42" CLIENT_SSH="ubuntu@198.51.100.7"
 ```
 
 Edit the 3 variables according to your situation, they represent: