diff --git a/pom.xml b/pom.xml
index 97aa594..4d8dc45 100644
--- a/pom.xml
+++ b/pom.xml
@@ -544,6 +544,19 @@
                     <lineEnding>LF</lineEnding>
                 </configuration>
             </plugin>
+            <plugin>
+                <artifactId>maven-gpg-plugin</artifactId>
+                <version>1.6</version>
+                <executions>
+                    <execution>
+                        <id>sign-artifacts</id>
+                        <phase>verify</phase>
+                        <goals>
+                            <goal>sign</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
         </plugins>
     </build>
 
@@ -585,6 +598,23 @@
         <connection>https://github.com/itplr-kosit/validationtool.git</connection>
         <developerConnection>scm:git:https://projekte.kosit.org/kosit/validator.git</developerConnection>
         <tag>v1.1.0</tag>
+        <url>https://github.com/itplr-kosit/validator</url>
     </scm>
 
+    <url>https://github.com/itplr-kosit/validator</url>
+    <licenses>
+        <license>
+            <name>Apache License, Version 2.0</name>
+            <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+            <distribution>repo</distribution>
+        </license>
+    </licenses>
+    <distributionManagement>
+        <repository>
+            <id>sonatype-nexus-staging</id>
+            <name>Nexus Release Repository</name>
+            <url>https://oss.sonatype.org/service/local/staging/deploy/maven2</url>
+        </repository>
+    </distributionManagement>
+
 </project>
diff --git a/src/main/java/de/kosit/validationtool/api/InputFactory.java b/src/main/java/de/kosit/validationtool/api/InputFactory.java
index 2f9a149..9a07430 100644
--- a/src/main/java/de/kosit/validationtool/api/InputFactory.java
+++ b/src/main/java/de/kosit/validationtool/api/InputFactory.java
@@ -133,7 +133,7 @@ public class InputFactory {
         try {
             return read(uri.toURL(), digestAlgorithm);
         } catch (final MalformedURLException e) {
-            throw new IllegalArgumentException(String.format("Can not read from uri %s Not a valid uri supplied", uri));
+            throw new IllegalArgumentException(String.format("URL invalid or protocol not supported: %s", uri), e);
         }
     }
 
@@ -149,7 +149,7 @@ public class InputFactory {
     }
 
     /**
-     * Liest einen Prüfling von der übergebenen URL. Es wird ein definierter Algorithmis zur Ermittlung der Prüfsumme
+     * Liest einen Prüfling von der übergebenen URL. Es wird ein definierter Algorithmus zur Ermittlung der Prüfsumme
      * genutzt.
      * 
      * @param url URL des Prüflings
diff --git a/src/main/java/de/kosit/validationtool/cmd/CommandLineApplication.java b/src/main/java/de/kosit/validationtool/cmd/CommandLineApplication.java
index ed3d474..de56cf5 100644
--- a/src/main/java/de/kosit/validationtool/cmd/CommandLineApplication.java
+++ b/src/main/java/de/kosit/validationtool/cmd/CommandLineApplication.java
@@ -67,7 +67,7 @@ public class CommandLineApplication {
     private static void sayGoodby(final ReturnValue resultStatus) {
         Printer.writeOut("\n##############################");
         if (resultStatus.equals(ReturnValue.SUCCESS)) {
-            Printer.writeOut("#   " + new Line(Code.GREEN).add("Validation succesful!").render(false, false) + "    #");
+            Printer.writeOut("#   " + new Line(Code.GREEN).add("Validation successful!").render(false, false) + "   #");
         } else {
             Printer.writeOut("#     " + new Line(Code.RED).add("Validation failed!").render(false, false) + "     #");
         }
diff --git a/src/main/java/de/kosit/validationtool/cmd/InternalCheck.java b/src/main/java/de/kosit/validationtool/cmd/InternalCheck.java
index 89c62ef..1f41d0a 100644
--- a/src/main/java/de/kosit/validationtool/cmd/InternalCheck.java
+++ b/src/main/java/de/kosit/validationtool/cmd/InternalCheck.java
@@ -38,8 +38,8 @@ import de.kosit.validationtool.impl.DefaultCheck;
 import de.kosit.validationtool.impl.tasks.CheckAction;
 
 /**
- * Simple Erweiterung der Klasse {@link DefaultCheck} um das Ergebnis der Assertion-Prüfung auszwerten und auszugeben.
- * Diese Klasse stellt keine fachlicher Erweiterung des eigentlichen Prüfvorganges dar!
+ * Simple Erweiterung der Klasse {@link DefaultCheck} um das Ergebnis der Assertion-Prüfung auszuwerten und auszugeben.
+ * Diese Klasse stellt keine fachliche Erweiterung des eigentlichen Prüfvorganges dar!
  * 
  * @author Andreas Penski
  */
diff --git a/src/main/java/de/kosit/validationtool/config/ConfigurationLoader.java b/src/main/java/de/kosit/validationtool/config/ConfigurationLoader.java
index bb78427..6e2f788 100644
--- a/src/main/java/de/kosit/validationtool/config/ConfigurationLoader.java
+++ b/src/main/java/de/kosit/validationtool/config/ConfigurationLoader.java
@@ -55,7 +55,7 @@ import net.sf.saxon.s9api.XdmNode;
 import net.sf.saxon.s9api.XdmNodeKind;
 
 /**
- * Configuration class that loads neccessary {@link Check} configuration from an existing scenario.xml specification.
+ * Configuration class that loads necessary {@link Check} configuration from an existing scenario.xml specification.
  * This is the recommended option when an official configuration exists as is the case with 'xrechnung'.
  * 
  * @author Andreas Penski
diff --git a/src/main/java/de/kosit/validationtool/impl/ConversionService.java b/src/main/java/de/kosit/validationtool/impl/ConversionService.java
index aa32859..dfc16d1 100644
--- a/src/main/java/de/kosit/validationtool/impl/ConversionService.java
+++ b/src/main/java/de/kosit/validationtool/impl/ConversionService.java
@@ -147,7 +147,7 @@ public class ConversionService {
     }
 
     /**
-     * Unmarshalls a specifc xml model into a defined java object.
+     * Unmarshalls a specific XML model into a defined Java object.
      *
      * @param xml the xml
      * @param type the expected type created
diff --git a/src/main/java/de/kosit/validationtool/impl/Printer.java b/src/main/java/de/kosit/validationtool/impl/Printer.java
index 7e122d1..4a1e414 100644
--- a/src/main/java/de/kosit/validationtool/impl/Printer.java
+++ b/src/main/java/de/kosit/validationtool/impl/Printer.java
@@ -17,6 +17,7 @@
 package de.kosit.validationtool.impl;
 
 import java.text.MessageFormat;
+import java.util.Locale;
 
 /**
  * Wrapper for {@link System Systems} printing capability.
@@ -37,7 +38,7 @@ public class Printer {
      * @param params the params.
      */
     public static void writeOut(final String message, final Object... params) {
-        System.out.println(MessageFormat.format(message, params));
+        System.out.println(new MessageFormat(message, Locale.ENGLISH).format(params));
     }
 
     /**
@@ -47,6 +48,6 @@ public class Printer {
      * @param params the params.
      */
     public static void writeErr(final String message, final Object... params) {
-        System.err.println(MessageFormat.format(message, params));
+        System.err.println(new MessageFormat(message, Locale.ENGLISH).format(params));
     }
 }
diff --git a/src/main/java/de/kosit/validationtool/impl/ResolvingMode.java b/src/main/java/de/kosit/validationtool/impl/ResolvingMode.java
index 7a0ab65..a668bf1 100644
--- a/src/main/java/de/kosit/validationtool/impl/ResolvingMode.java
+++ b/src/main/java/de/kosit/validationtool/impl/ResolvingMode.java
@@ -33,7 +33,7 @@ import de.kosit.validationtool.impl.xml.StrictRelativeResolvingStrategy;
 public enum ResolvingMode {
 
     /**
-     * Resolving using only the configured content repository. No furthing resolving allowed. This
+     * Resolving using only the configured content repository.
      */
     STRICT_RELATIVE(new StrictRelativeResolvingStrategy()) {