Improved the annotation doc

java/com.sap.sse.datamining.shared/src/com/sap/sse/datamining/shared/annotations/Connector.java

@@ -23,7 +23,9 @@ import java.lang.annotation.Target;
 public @interface Connector {
     
     /**
-     * The message key used for internationalization.
+     * The message key used for internationalization.<br />
+     * If there are more than one ordinal in a function (e.g. if the function is an instance of ConcatenatingCompoundFunction),
+     * then the messages will be concatenated (separated by a space).
      */
     public String messageKey() default "";
 

java/com.sap.sse.datamining.shared/src/com/sap/sse/datamining/shared/annotations/Dimension.java

@@ -30,9 +30,11 @@ import java.util.Locale;
 @Target(ElementType.METHOD)
 @Retention(RetentionPolicy.RUNTIME)
 public @interface Dimension {
-    
+
     /**
-     * The message key used for internationalization
+     * The message key used for internationalization.<br />
+     * If there are more than one ordinal in a function (e.g. if the function is an instance of ConcatenatingCompoundFunction),
+     * then the messages will be concatenated (separated by a space).
      */
     public String messageKey();
     

java/com.sap.sse.datamining.shared/src/com/sap/sse/datamining/shared/annotations/Statistic.java

@@ -27,9 +27,11 @@ import com.sap.sse.datamining.shared.Unit;
 @Target(ElementType.METHOD)
 @Retention(RetentionPolicy.RUNTIME)
 public @interface Statistic {
-    
+
     /**
-     * The message key used for internationalization
+     * The message key used for internationalization.<br />
+     * If there are more than one ordinal in a function (e.g. if the function is an instance of ConcatenatingCompoundFunction),
+     * then the messages will be concatenated (separated by a space).
      */
     public String messageKey();