diff --git a/doc.zih.tu-dresden.de/util/check-every-page-not-included-more-than-once.sh b/doc.zih.tu-dresden.de/util/check-every-page-not-included-more-than-once.sh
index a07bca070f08939973634afcfba8973fe4f0e1b3..b3539b0b08bca089f0f4daf3f901180668d952ec 100755
--- a/doc.zih.tu-dresden.de/util/check-every-page-not-included-more-than-once.sh
+++ b/doc.zih.tu-dresden.de/util/check-every-page-not-included-more-than-once.sh
@@ -9,7 +9,8 @@ MSG=$(find ${DOCUMENT_ROOT} -name "*.md" | while IFS=' ' read string
     md=${string#${DOCUMENT_ROOT}/}
 
     # count occurences of md in nav 
-    numberOfReferences=$(sed -n '/nav:/,/^$/p' ${basedir}/mkdocs.yml | grep -c ${md})
+    numberOfReferences=$(sed -n '/nav:/,/^$/p' ${basedir}/mkdocs.yml \
+      | grep -c ${md})
     if [[ ${numberOfReferences} -gt 1 ]]; then
       echo "${md} is included ${numberOfReferences} times in nav"
     fi
diff --git a/doc.zih.tu-dresden.de/util/check-footer.sh b/doc.zih.tu-dresden.de/util/check-footer.sh
index 7a54a62897086b10c4a728b2f0d81e3cde51bf24..c658340de09c6f537cd6aeea13ef0cea1377ad14 100755
--- a/doc.zih.tu-dresden.de/util/check-footer.sh
+++ b/doc.zih.tu-dresden.de/util/check-footer.sh
@@ -3,12 +3,16 @@ scriptpath=${BASH_SOURCE[0]}
 basedir=$(dirname "${scriptpath}")
 basedir=$(dirname "${basedir}")
 DOCUMENT_ROOT=${basedir}/docs
-expectedFooter="legal_notice.md accessibility.md data_protection_declaration.md"
+expectedFooter="\
+legal_notice.md \
+accessibility.md \
+data_protection_declaration.md"
 
 MSG=$(for md in ${expectedFooter}
   do
     # md included in footer 
-    numberOfReferencesInFooter=$(sed -n '/footer:/,/^$/p' ${basedir}/mkdocs.yml | grep -c /${md%.md})
+    numberOfReferencesInFooter=$(sed -n '/footer:/,/^$/p' \
+      ${basedir}/mkdocs.yml | grep -c /${md%.md})
     if [[ ${numberOfReferencesInFooter} -eq 0 ]]; then
       echo "${md} is not included in footer"
     elif [[ ${numberOfReferencesInFooter} -ne 1 ]]; then
diff --git a/doc.zih.tu-dresden.de/util/check-max-depth.sh b/doc.zih.tu-dresden.de/util/check-max-depth.sh
index 95fcdbb246e587dd41da86f08b6d55ef5cb14dc3..6a15da95b124d5c12c4c0ef0ead27e1cbb7ae315 100755
--- a/doc.zih.tu-dresden.de/util/check-max-depth.sh
+++ b/doc.zih.tu-dresden.de/util/check-max-depth.sh
@@ -7,7 +7,8 @@ DOCUMENT_ROOT=${basedir}/docs
 maxDepth=1
 DOCUMENT_SLASH_COUNT=$(echo "${DOCUMENT_ROOT}/" | awk -F'/' '{print NF}')
 
-MSG=$(find ${DOCUMENT_ROOT} -name "*.md" | awk -F'/' '{print $0,NF}' | while IFS=' ' read string slash_count
+MSG=$(find ${DOCUMENT_ROOT} -name "*.md" | awk -F'/' '{print $0,NF}' \
+  | while IFS=' ' read string slash_count
   do
     depth=$((slash_count - DOCUMENT_SLASH_COUNT))
     if [[ "${depth}" -gt ${maxDepth} ]]; then
diff --git a/doc.zih.tu-dresden.de/util/check-no-floating.sh b/doc.zih.tu-dresden.de/util/check-no-floating.sh
index d8103b15c196451d3c8c774fa7a69a2429937aab..f07af8b903cb39e6c49b607155e8c5802e3077fb 100755
--- a/doc.zih.tu-dresden.de/util/check-no-floating.sh
+++ b/doc.zih.tu-dresden.de/util/check-no-floating.sh
@@ -3,7 +3,10 @@ scriptpath=${BASH_SOURCE[0]}
 basedir=$(dirname "${scriptpath}")
 basedir=$(dirname "${basedir}")
 DOCUMENT_ROOT=${basedir}/docs
-expectedFooter="legal_notice.md accessibility.md data_protection_declaration.md"
+expectedFooter="\
+legal_notice.md \
+accessibility.md \
+data_protection_declaration.md"
 
 MSG=$(find ${DOCUMENT_ROOT} -name "*.md" | while IFS=' ' read string
   do
@@ -11,7 +14,8 @@ MSG=$(find ${DOCUMENT_ROOT} -name "*.md" | while IFS=' ' read string
 
     # md included in nav 
     if [[ ! "${expectedFooter}" =~ ${md} ]]; then
-      numberOfReferences=$(sed -n '/nav:/,/^$/p' ${basedir}/mkdocs.yml | grep -c ${md})
+      numberOfReferences=$(sed -n '/nav:/,/^$/p' ${basedir}/mkdocs.yml \
+        | grep -c ${md})
       if [[ ${numberOfReferences} -eq 0 ]]; then
         echo "${md} is not included in nav"
       fi