update source code character error

manila-hnas-guide.rst, kuryr-guide.rst and production-architecture-guide.rst
some character error, update these error

Change-Id: I1ec8594af6cd6c29e40c7f0af331c6868a03877b

doc/kuryr-guide.rst

@@ -21,7 +21,7 @@ docker.server file.
 
   ExecStart= -H tcp://172.16.1.13:2375 -H unix:///var/run/docker.sock --cluster-store=etcd://172.16.1.13:2379 --cluster-advertise=172.16.1.13:2375
 
-The IP address is host runnning the etcd service. ```2375``` is port that
+The IP address is host running the etcd service. ```2375``` is port that
 allows Docker daemon to be accessed remotely. ```2379``` is the etcd listening
 port.
 

doc/manila-hnas-guide.rst

@@ -24,7 +24,7 @@ Requirements
   -  SSC CLI.
 
 
-Suported shared filesystems and operations
+Supported shared filesystems and operations
 ------------------------------------------
 The driver supports CIFS and NFS shares.
 

doc/production-architecture-guide.rst

@@ -37,12 +37,12 @@ Interface configuration
 
 In Kolla operators should configure following network interfaces:
 
-* network_interface - While it is not used on it's own, this provides the
+* network_interface - While it is not used on its own, this provides the
   required default for other interfaces below.
 
 * api_interface - This interface is used for the management network. The
   management network is the network OpenStack services uses to communicate to
-  each other and the databases. There are know security risks here, so it's
+  each other and the databases. There are known security risks here, so it's
   recommended to make this network internal, not accessible from outside.
   Defaults to network_interface.