diff --git a/preprocMd.sh b/preprocMd.sh
index 2e02f9ebe6e724550fb7fadf02c0576f7c1d5c1d..058a0639512f80dd2ecc63bb11a32d021e5cb4f0 100755
--- a/preprocMd.sh
+++ b/preprocMd.sh
@@ -8,16 +8,20 @@
 
     #make output copy
     mkdir -p build
+    echo "Preprocessing $filename..."
     cp $original $build_dir/$filename
 
     #replace working group
+    echo "Replacing working group keys..."
     for wg in {aa,cm,dm,nm,st}
     do
         fullname=`wget -qO- $baseurl/forschung/$wg | grep h1 | sed -e "s/<h1>\s*\(.*\)<\/h1>.*$/\1/g" | sed -e 's/^[ \t]*//'`
+        echo "Found working group $fullname"
         sed -i "s;### Working Groups:\(.*\)$wg\(.*\);### Working Groups:\1\[$fullname\]($baseurl/forschung/$wg)\2;g" $build_dir/$filename 
     done
 
 
+    echo "Replacing collaborator keys..."
     namelist=`grep -h -i -m 1 -r "###\s*Collaborators (MAT):" $build_dir/$filename | sed -e 's/^###\s*Collaborators (MAT):\s*//I' -e 's/\s*,\s*/\n/g'  | sort -u`
     for name in $namelist
     do
@@ -37,8 +41,10 @@
                  -e  "s;fbuenger $errstr;Dr. Florian Bünger;g" \
                  -e  "s;hvoss $errstr;Prof. Dr. Heinrich Voß;g" \
                  -e  "s;fboesch $errstr;Dipl. Ing. Frank Bösch;g" \
-                 -e  "s;sgoetschel $errst;Dr. Sebastian Götschel;g"`
+                 -e  "s;sgoetschel $errstr;Dr. Sebastian Götschel;g"`
         fi
+        
+        echo "Found collaborator $fullname"
 
         # replace name in .md file
         sed -i "s;$name;\[$fullname\]($baseurl/home/$name);g" $build_dir/$filename