diff --git a/app/src/main/java/de/kaffeemitkoffein/tinyweatherforecastgermany/ZoomableImageView.java b/app/src/main/java/de/kaffeemitkoffein/tinyweatherforecastgermany/ZoomableImageView.java
index 824e543a..8d7e9565 100644
--- a/app/src/main/java/de/kaffeemitkoffein/tinyweatherforecastgermany/ZoomableImageView.java
+++ b/app/src/main/java/de/kaffeemitkoffein/tinyweatherforecastgermany/ZoomableImageView.java
@@ -281,7 +281,7 @@ public class ZoomableImageView {
      *
      * The focus is the visible center coordinate.<br>
      *
-     * * @return absolute x coordinate
+     * @return absolute x coordinate
      */
 
     public float getXFocus(){
@@ -293,7 +293,7 @@ public class ZoomableImageView {
      *
      * The focus is the visible center coordinate.
      *
-     * * @return absolute y coordinate
+     * @return absolute y coordinate
      */
 
     public float getYFocus(){
diff --git a/app/src/main/java/de/kaffeemitkoffein/tinyweatherforecastgermany/package-info.java b/app/src/main/java/de/kaffeemitkoffein/tinyweatherforecastgermany/package-info.java
new file mode 100644
index 00000000..182a5ba8
--- /dev/null
+++ b/app/src/main/java/de/kaffeemitkoffein/tinyweatherforecastgermany/package-info.java
@@ -0,0 +1,4 @@
+/**
+ * main component of TinyWeatherForecastGermany
+ */
+package de.kaffeemitkoffein.tinyweatherforecastgermany;
diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/model/package-info.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/model/package-info.java
new file mode 100644
index 00000000..78a79be4
--- /dev/null
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/model/package-info.java
@@ -0,0 +1,4 @@
+/**
+ * contains the WeatherSpec class retrieved from Gadgetbridge 
+ */
+package nodomain.freeyourgadget.gadgetbridge.model;
diff --git a/app/src/main/java/org/astronomie/info/Astronomy.java b/app/src/main/java/org/astronomie/info/Astronomy.java
index 00a60847..c8002a75 100644
--- a/app/src/main/java/org/astronomie/info/Astronomy.java
+++ b/app/src/main/java/org/astronomie/info/Astronomy.java
@@ -1,4 +1,3 @@
-
 /**
  *
  * Copyright (C) 2010-2012, Helmut Lehmeyer <helmut.lehmeyer@gmail.com>
@@ -23,7 +22,7 @@
  *
  * Astronomical Calculations and and helper Classes
  *
- * java Source code based on the javascript by Arnold Barmettler, www.astronomie.info / www.CalSky.com
+ * java source code based on the javascript by Arnold Barmettler, www.astronomie.info / www.CalSky.com
  * based on algorithms by Peter Duffett-Smith's great and easy book 'Practical Astronomy with your Calculator'.
  *
  * @author Helmut Lehmeyer
@@ -120,8 +119,8 @@ public class Astronomy
      * @return    the name <code>String</code> of a sign
      */
     public static String sign(double lon) {
-        String[] signs = {"Widder", "Stier", "Zwillinge", "Krebs", "Löwe", "Jungfrau",
-                "Waage", "Skorpion", "Schütze", "Steinbock", "Wassermann", "Fische"};
+        String[] signs = {"Widder", "Stier", "Zwillinge", "Krebs", "Loewe", "Jungfrau",
+                "Waage", "Skorpion", "Schuetze", "Steinbock", "Wassermann", "Fische"};
         return( signs[Int(Math.floor(lon*RAD/30))] );
     }
 
diff --git a/app/src/main/java/org/astronomie/info/package-info.java b/app/src/main/java/org/astronomie/info/package-info.java
new file mode 100644
index 00000000..df084fac
--- /dev/null
+++ b/app/src/main/java/org/astronomie/info/package-info.java
@@ -0,0 +1,4 @@
+/**
+ * contains a class for astronomical calculations
+ */
+package org.astronomie.info;