diff --git a/maven-project/src/main/java/org/apache/maven/project/DefaultMavenProjectBuilder.java b/maven-project/src/main/java/org/apache/maven/project/DefaultMavenProjectBuilder.java
index 261a141b40..9a3ec9d651 100644
--- a/maven-project/src/main/java/org/apache/maven/project/DefaultMavenProjectBuilder.java
+++ b/maven-project/src/main/java/org/apache/maven/project/DefaultMavenProjectBuilder.java
@@ -1080,7 +1080,7 @@ public class DefaultMavenProjectBuilder
 
         if ( modelSource.indexOf( "<modelVersion>4.0.0" ) < 0 )
         {
-            throw new InvalidProjectModelException( projectId, pomLocation, "Invalid POM (not v4.0.0 modelVersion)" );
+            throw new InvalidProjectModelException( projectId, pomLocation, "Not a v4.0.0 POM." );
         }
 
         StringReader sReader = new StringReader( modelSource );
diff --git a/maven-project/src/main/java/org/apache/maven/project/artifact/MavenMetadataSource.java b/maven-project/src/main/java/org/apache/maven/project/artifact/MavenMetadataSource.java
index 12f3803357..0fcb7654bc 100644
--- a/maven-project/src/main/java/org/apache/maven/project/artifact/MavenMetadataSource.java
+++ b/maven-project/src/main/java/org/apache/maven/project/artifact/MavenMetadataSource.java
@@ -104,21 +104,23 @@ public class MavenMetadataSource
                 }
                 catch ( InvalidProjectModelException e )
                 {
-                    getLogger().warn( "POM for: \'" + pomArtifact +
-                        "\' does not appear to be valid. Its will be ignored for artifact resolution.\n\nReason: " +
-                        e.getMessage() + "\n\n" );
+                    getLogger().warn( "POM for \'" + pomArtifact +
+                        "\' is invalid. It will be ignored for artifact resolution. Reason: " + e.getMessage() );
 
                     if ( getLogger().isDebugEnabled() )
                     {
+                        getLogger().debug( "Reason: " + e.getMessage() );
+                        
                         ModelValidationResult validationResult = e.getValidationResult();
 
                         if ( validationResult != null )
                         {
+                            getLogger().debug( "\nValidation Errors:" );
                             for ( Iterator i = validationResult.getMessages().iterator(); i.hasNext(); )
                             {
                                 getLogger().debug( i.next().toString() );
                             }
-                            getLogger().debug( "\n\n" );
+                            getLogger().debug( "\n" );
                         }
                     }