diff --git a/mige.sh b/mige.sh
index 5d25c75..15794e6 100755
--- a/mige.sh
+++ b/mige.sh
@@ -10,10 +10,10 @@ SOURCEDIR=$( dirname -- $BASH_SOURCE )
 OPTION_ASSETS=false
 
 check_files () {
-	if [ ! -f "$SOURCEDIR/$TEMPLATE_HEADER" ]; then echo "Header template '$TEMPLATE_HEADER' doesn't exist."; exit 2; fi
-	if [ ! -f "$SOURCEDIR/$TEMPLATE_FOOTER" ]; then echo "Header template '$TEMPLATE_FOOTER' doesn't exist."; exit 2; fi
-	if [ ! -d "$SOURCEDIR/$DIR_CONTENT" ]; then echo "Content directory '$DIR_CONTENT' doesn't exist. Create it and add some content!"; exit 2; fi
-	if [ ! -d "$SOURCEDIR/$DIR_DIST" ]; then mkdir "$SOURCEDIR/$DIR_DIST"; echo "Directory '$DIR_DIST' created."; fi
+    if [ ! -f "$SOURCEDIR/$TEMPLATE_HEADER" ]; then echo "Header template '$TEMPLATE_HEADER' doesn't exist."; exit 2; fi
+    if [ ! -f "$SOURCEDIR/$TEMPLATE_FOOTER" ]; then echo "Header template '$TEMPLATE_FOOTER' doesn't exist."; exit 2; fi
+    if [ ! -d "$SOURCEDIR/$DIR_CONTENT" ]; then echo "Content directory '$DIR_CONTENT' doesn't exist. Create it and add some content!"; exit 2; fi
+    if [ ! -d "$SOURCEDIR/$DIR_DIST" ]; then mkdir "$SOURCEDIR/$DIR_DIST"; echo "Directory '$DIR_DIST' created."; fi
     if [[ $OPTION_ASSETS == true && ! -s "$SOURCEDIR/$DIR_ASSETS" ]]; then echo "Directory '$DIR_ASSETS' doesn't exist. Create it and add some assets!"; exit 2; fi
 }
 
@@ -27,23 +27,23 @@ read_options() {
 }
 
 process_file () {
-	local timep=$(date +%s%N)
+    local timep=$(date +%s%N)
 
-	mkdir -p $( dirname "$1" | sed "s/$SOURCEDIR\/$DIR_CONTENT/$SOURCEDIR\/$DIR_DIST/" )
-	local file_output=$( echo "$1" | sed "s/$SOURCEDIR\/$DIR_CONTENT/$SOURCEDIR\/$DIR_DIST/" )
-	cat "$SOURCEDIR/$TEMPLATE_HEADER" "$1" "$SOURCEDIR/$TEMPLATE_FOOTER" > $file_output 
-	while read -r variable; do
-		if [[ $variable =~ ^([0-9]+)=(.+)$ ]]; then
-			local variable_name=${BASH_REMATCH[1]}
-			local variable_value=${BASH_REMATCH[2]}
-			sed -i "s/\$$variable_name/$variable_value/g;/$variable/d" $file_output
-		else
-			echo -e "\e[38;5;208mWarning: could not match '$variable' as a variable assignment.\e[0m"
-		fi
-	done < <(grep -P '^\d+=.+$' $1)
+    mkdir -p $( dirname "$1" | sed "s/$SOURCEDIR\/$DIR_CONTENT/$SOURCEDIR\/$DIR_DIST/" )
+    local file_output=$( echo "$1" | sed "s/$SOURCEDIR\/$DIR_CONTENT/$SOURCEDIR\/$DIR_DIST/" )
+    cat "$SOURCEDIR/$TEMPLATE_HEADER" "$1" "$SOURCEDIR/$TEMPLATE_FOOTER" > $file_output 
+    while read -r variable; do
+        if [[ $variable =~ ^([0-9]+)=(.+)$ ]]; then
+            local variable_name=${BASH_REMATCH[1]}
+            local variable_value=${BASH_REMATCH[2]}
+            sed -i "s/\$$variable_name/$variable_value/g;/$variable/d" $file_output
+        else
+            echo -e "\e[38;5;208mWarning: could not match '$variable' as a variable assignment.\e[0m"
+        fi
+    done < <(grep -P '^\d+=.+$' $1)
 
-	timep=$((($(date +%s%N) - $timep)/1000000))
-	echo -e "\e[32mFile $1 processed to $file_output ($timep ms).\e[0m"
+    timep=$((($(date +%s%N) - $timep)/1000000))
+    echo -e "\e[32mFile $1 processed to $file_output ($timep ms).\e[0m"
 }
 
 process_assets () {
@@ -55,9 +55,9 @@ process_assets () {
 }
 
 main () {
-	while IFS= read -d '' file_content; do
-		process_file "${file_content}" </dev/null
-	done < <(find "$SOURCEDIR/$DIR_CONTENT" -type f -print0)
+    while IFS= read -d '' file_content; do
+        process_file "${file_content}" </dev/null
+    done < <(find "$SOURCEDIR/$DIR_CONTENT" -type f -print0)
 
     if [ $OPTION_ASSETS = true ]; then
         process_assets