diff --git a/doc/README-builder.txt b/doc/README-builder.txt
index 22dbf77..fe87103 100644
--- a/doc/README-builder.txt
+++ b/doc/README-builder.txt
@@ -10,6 +10,13 @@
      yum install ImageMagick
      yum install git
 
+# requirements
+    https://pypi.python.org/pypi/martINI for writing ini files
+    aria2c for torrent downloads
+    cabextract
+    lha
+    unzip
+    unrar
 
 # Please check the conf/opsi-builder.conf for detailed information
 
diff --git a/sample/All/builder-product.cfg b/sample/All/builder-product.cfg
index 7ad350b..c8f35f6 100644
--- a/sample/All/builder-product.cfg
+++ b/sample/All/builder-product.cfg
@@ -93,7 +93,7 @@ DL_SOURCE[3]="http://ftp.computerbase.de/dl-758/weJMhoTGCTbFI5mzRnMlAg/132782556
 DL_ARCH[3]="X86"
 DL_DOWNLOADER[3]="wget"
 DL_EXTRACT_FORMAT[3]="unzip"
-DL_EXTACT_TO[3]="office"
+DL_EXTRACT_TO[3]="office"
 
 # File array index for the image showing while installing the program
 ICON_DL_INDEX=0