diff --git a/content/plc/_index.md b/content/plc/_index.md
index 69d86dd..b4a3dc1 100644
--- a/content/plc/_index.md
+++ b/content/plc/_index.md
@@ -19,7 +19,7 @@ description in how to set up your own Strolch based PLC.
 
 Checkout the code at [GitHub](https://github.com/strolch-li/strolch-plc)
 
-Strolch PLC is also deployed to Maven Central. Current version is 1.0.7.
+Strolch PLC is also deployed to Maven Central. Current version is 1.2.1.
 
 Currently, we have the following topics of discussion:
 
diff --git a/content/plc/architecture.md b/content/plc/architecture.md
index 58fc274..372f840 100644
--- a/content/plc/architecture.md
+++ b/content/plc/architecture.md
@@ -11,7 +11,7 @@ weight: 50
 
 The Strolch PLC architecture sees the Strolch Agent as the server, managing
 logical devices, i.e. multiple sensors and actors together and thus deciding on
-further steps. With this architecture multiple PLCs can be combined together in
+further steps. With this architecture multiple PLCs can be combined in
 one agent for flow control.
 
 ### PLC Architecture
diff --git a/content/plc/example-set-up.md b/content/plc/example-set-up.md
index 9dc5e9a..72bfc57 100644
--- a/content/plc/example-set-up.md
+++ b/content/plc/example-set-up.md
@@ -26,8 +26,8 @@ business logic and the PLC controls the I/Os.
 ```xml
 <project>
     <properties>
-      <strolch.version>1.7.0-SNAPSHOT</strolch.version>
-      <strolch.plc.version>0.1.0-SNAPSHOT</strolch.plc.version>
+      <strolch.version>1.8.1</strolch.version>
+      <strolch.plc.version>1.2.1</strolch.plc.version>
     </properties>
     
     <dependencyManagement>
@@ -65,7 +65,7 @@ business logic and the PLC controls the I/Os.
 </project>
 ```
 
-3. Add a bower dependency: `"strolch-wc-plc": "strolch-li/strolch-wc-plc#^0.3.4"`
+3. Add a bower dependency: `"strolch-wc-plc": "strolch-li/strolch-wc-plc#^0.3.20"`
    to `src/main/webapp/bower.json`
 
    After adding the dependency, run `gulp` in the webapp directory. Gulp should