diff --git a/Dockerfile b/Dockerfile
index 2e07b90..f42246f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -65,7 +65,11 @@ RUN tar -xzf "${TESSERACT_RELEASE}.tar.gz" \
 ENV TESSDATA_BEST_RELEASE=4.1.0
 ADD "https://github.com/tesseract-ocr/tessdata_best/archive/${TESSDATA_BEST_RELEASE}.tar.gz" .
 RUN tar -xzf "${TESSDATA_BEST_RELEASE}.tar.gz" \
+ && mv "tessdata_best-${TESSDATA_BEST_RELEASE}/ara.traineddata" "/usr/local/share/tessdata/" \
+ && mv "tessdata_best-${TESSDATA_BEST_RELEASE}/chi_tra.traineddata" "/usr/local/share/tessdata/" \
+ && mv "tessdata_best-${TESSDATA_BEST_RELEASE}/dan.traineddata" "/usr/local/share/tessdata/" \
  && mv "tessdata_best-${TESSDATA_BEST_RELEASE}/deu.traineddata" "/usr/local/share/tessdata/" \
+ && mv "tessdata_best-${TESSDATA_BEST_RELEASE}/ell.traineddata" "/usr/local/share/tessdata/" \
  && mv "tessdata_best-${TESSDATA_BEST_RELEASE}/eng.traineddata" "/usr/local/share/tessdata/" \
  && mv "tessdata_best-${TESSDATA_BEST_RELEASE}/enm.traineddata" "/usr/local/share/tessdata/" \
  && mv "tessdata_best-${TESSDATA_BEST_RELEASE}/fra.traineddata" "/usr/local/share/tessdata/" \
@@ -73,6 +77,7 @@ RUN tar -xzf "${TESSDATA_BEST_RELEASE}.tar.gz" \
  && mv "tessdata_best-${TESSDATA_BEST_RELEASE}/frm.traineddata" "/usr/local/share/tessdata/" \
  && mv "tessdata_best-${TESSDATA_BEST_RELEASE}/ita.traineddata" "/usr/local/share/tessdata/" \
  && mv "tessdata_best-${TESSDATA_BEST_RELEASE}/por.traineddata" "/usr/local/share/tessdata/" \
+ && mv "tessdata_best-${TESSDATA_BEST_RELEASE}/rus.traineddata" "/usr/local/share/tessdata/" \
  && mv "tessdata_best-${TESSDATA_BEST_RELEASE}/spa.traineddata" "/usr/local/share/tessdata/" \
  && rm -r "tessdata_best-${TESSDATA_BEST_RELEASE}" "${TESSDATA_BEST_RELEASE}.tar.gz"
 
diff --git a/README.md b/README.md
index c371cff..d4ba53b 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ mkdir -p /<my_data_location>/input /<my_data_location>/output
 # Option one: Use the wrapper script
 ## Install the wrapper script (only on first run). Get it from https://gitlab.ub.uni-bielefeld.de/sfb1288inf/ocr/-/raw/1.0.0/wrapper/ocr, make it executeable and add it to your ${PATH}
 cd /<my_data_location>
-ocr -i input -l <language_code> -o output <pipeline_arguments>
+ocr -i input -l <language_code> -o output <optional_pipeline_arguments>
 
 # Option two: Classic Docker style
 docker run \
@@ -47,7 +47,7 @@ docker run \
 
 `-l languagecode`
 * Tells tesseract which language will be used.
-* options = deu (German), eng (English), enm (Middle englisch), fra (French), frk (German Fraktur), frm (Middle french), ita (Italian), por (Portuguese), spa (Spanish)
+* options = ara (Arabic), chi_tra (Chinese - Traditional), dan (Danish), deu (German), ell (Greek, Modern (1453-)), eng (English), enm (Middle englisch), fra (French), frk (German Fraktur), frm (Middle french), ita (Italian), por (Portuguese), rus (Russian), spa (Spanish)
 * required = True
 
 `--keep-intermediates`