Update ops.html (#365)

diff --git a/28/ops.html b/28/ops.html
index c27171d..c2f8565 100644
--- a/28/ops.html
+++ b/28/ops.html
@@ -609,7 +609,7 @@
 secondary.bootstrap.servers = broker5-secondary:9092
 
 # Define replication flows
-primary->secondary.enable = true
+primary->secondary.enabled = true
 primary->secondary.topics = foobar-topic, quux-.*
 </code></pre>
 
@@ -654,7 +654,7 @@
 topics = .*   # all topics to be replicated by default
 
 # Specific replication flow settings (here: flow from us-west to us-east)
-us-west->us-east.enable = true
+us-west->us-east.enabled = true
 us-west->us.east.topics = foo.*, bar.*  # override the default above
 </code></pre>
 
@@ -735,7 +735,7 @@
   </p>
 
 <pre class="line-numbers"><code class="language-text"># Enable replication from primary to secondary
-primary->secondary.enable = true
+primary->secondary.enabled = true
 </code></pre>
 
   <p>
@@ -773,7 +773,7 @@
 groups = consumer-group1, consumer-group2
 
 # Don't forget to enable a flow!
-us-west->us-east.enable = true
+us-west->us-east.enabled = true
 
 # Custom settings for specific replication flows
 us-west->us-east.topics = foo.*