fixing some outdated and incorrect javadocs

cc/src/main/grammars/de/monticore/lang/ComponentConnector.mc4

@@ -157,7 +157,8 @@ component grammar ComponentConnector
   ;
 
   /**
-   * Requirements: Wir berücksichtigen primär die Namen der Requirements
+   * Requirements bestehen aus einem Namen, einem Subjekt (vom Typ PartDef),
+   *   einer Liste von Annahmen und einer Garantie.
    */
    interface symbol Requirement =
      name:Name

language/src/main/java/de/monticore/lang/sysmlv2/symboltable/completers/DirectionCompleter.java

@@ -13,16 +13,17 @@
 public class DirectionCompleter implements SysMLBasisVisitor2, SysMLPartsVisitor2 {
 
   /**
-   * Returns whether this is an input. Defaults to {@code true} if no direction was explicitly set. The keyword "inout"
-   * yields true.
+   * Returns whether this is an input. Defaults to {@code true} if no direction
+   * was explicitly set. The keyword "inout" yields false (by isOut behavior).
    */
   protected boolean isIn(ASTModifier modifier) {
-    return modifier.isIn() || !modifier.isOut() && !modifier.isReturn();
+    return modifier.isIn() || (!modifier.isOut() && !modifier.isReturn());
   }
 
   /**
-   * Returns whether this is an input. Defaults to {@code false} if no direction was explicitly set. The keyword "inout"
-   * yields true. The keyword "return" is treated as output.
+   * Returns whether this is an output. Defaults to {@code false} if no
+   * direction was explicitly set. The keyword "inout" yields true. The keyword
+   * "return" is treated as output.
    */
   protected boolean isOut(ASTModifier modifier) {
     return modifier.isOut() || modifier.isInout() || modifier.isReturn();