diff --git a/server_installation/topics/network/https.adoc b/server_installation/topics/network/https.adoc
index e41a12c324..c44c536bfa 100644
--- a/server_installation/topics/network/https.adoc
+++ b/server_installation/topics/network/https.adoc
@@ -8,7 +8,7 @@ This default behavior is defined by the SSL/HTTPS mode of each {project_name} re
 link:{adminguide_link}[{adminguide_name}], but let's give some context and a brief overview of these modes.
 
 external requests::
-  {project_name} can run out of the box without SSL so long as you stick to private IP addresses like `localhost`, `127.0.0.1`, `10.0.x.x`, `192.168.x.x`, and `172..16.x.x`.
+  {project_name} can run out of the box without SSL so long as you stick to private IP addresses like `localhost`, `127.0.0.1`, `10.0.x.x`, `192.168.x.x`, and `172.16.x.x`.
   If you don’t have SSL/HTTPS configured on the server or you try to access {project_name} over HTTP from a non-private IP adress you will get an error.
 
 none::
diff --git a/server_installation/topics/operating-mode/domain.adoc b/server_installation/topics/operating-mode/domain.adoc
index 82efa2bdc5..0af03c6878 100644
--- a/server_installation/topics/operating-mode/domain.adoc
+++ b/server_installation/topics/operating-mode/domain.adoc
@@ -50,7 +50,7 @@ where the domain profile and server group for the {project_name} server are defi
 image:{project_images}/domain-file.png[]
 
 WARNING: Any changes you make to this file while the domain controller is running will not take effect and may even be overwritten
-      by the server.  Instead use the the command line scripting or the web console of {appserver_name}.  See
+      by the server.  Instead use the command line scripting or the web console of {appserver_name}.  See
       the link:{appserver_admindoc_link}[_{appserver_admindoc_name}_] for more information.
 
 Let's look at some aspects of this _domain.xml_ file.  The `auth-server-standalone` and `auth-server-clustered` `profile` XML blocks are where you are going to make the bulk of your configuration decisions.
diff --git a/server_installation/topics/operating-mode/standalone-ha.adoc b/server_installation/topics/operating-mode/standalone-ha.adoc
index 7bab9f94c9..894785baf2 100644
--- a/server_installation/topics/operating-mode/standalone-ha.adoc
+++ b/server_installation/topics/operating-mode/standalone-ha.adoc
@@ -21,7 +21,7 @@ deploy some type of load balancer in front of the cluster.  The <<_clustering,cl
 image:{project_images}/standalone-ha-config-file.png[]
 
 WARNING: Any changes you make to this file while the server is running will not take effect and may even be overwritten
-      by the server.  Instead use the the command line scripting or the web console of {appserver_name}.  See
+      by the server.  Instead use the command line scripting or the web console of {appserver_name}.  See
       the link:{appserver_admindoc_link}[_{appserver_admindoc_name}_] for more information.
 
 ==== Standalone Clustered Boot Script