diff --git a/README.md b/README.md
index 590c6c5..00e79f2 100644
--- a/README.md
+++ b/README.md
@@ -17,11 +17,11 @@
 
 </details></br>
 
-### Instalacion
+### Instalación
 
 Instalar [requerimientos](./requirements.txt) **en entorno virtual**
 
-```py
+```sh
 pip install -r requirements.txt
 ```
 
@@ -40,9 +40,9 @@ django-admin startproject drf_course backend
 
 Este proyecto consta de 2 aplicaciones.
 
-La primera es el núcleo. Esta contendrá la lógica del contacto con el *endpoint*.
-La segunda será *ecommerce*. Esta contendrá la ĺógica del endpoint de los
-*items* y ordenes.
+La primera es el núcleo. Esta contendrá la lógica de **contacto** con el endpoint.
+La segunda será **ecommerce**. Esta contendrá la ĺógica del endpoint de los
+*items* y *ordenes*.
 
 ```sh
 cd backend
@@ -215,14 +215,14 @@ Importar modelo y registrar en [./backend/core/admin.py](./backend/core/admin.py
 
 Crear las migraciones y migrar.
 
-```py
+```sh
 ./manage.py makemigrations
 ./manage.py migrate
 ```
 
 Finalmente, crear **super usuario**.
 
-```py
+```sh
 ./manage.py createsuperuser
 ```
 
@@ -231,7 +231,7 @@ Finalmente, crear **super usuario**.
 **curl**
 
 ```sh
-curl -XPOST -H "Content-type: application/json" \
+curl -X POST -H "Content-type: application/json" \
     -d '{"name": "DevFzn", "message": "prueba", "email":"mail@mail.com"}' \
     'http://127.0.0.1:8000/contact/'
 ```
diff --git a/api_calls.sh b/api_calls.sh
index c5de579..aa380eb 100755
--- a/api_calls.sh
+++ b/api_calls.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 #
-# API Calls using curl and httpie
+# API Calls - curl
 
 API_URL='http://127.0.0.1:8000'
 USER="$(read -p 'Username: ' && echo ${REPLY})"
@@ -9,7 +9,7 @@ PASS="$(read -s ; echo ${REPLY})"
 TOKEN=''
 
 while :; do
-    printf '\nLlamadas a API en %s\n' "${API_URL}"
+    printf '\n\nLlamadas a API en %s\n' "${API_URL}"
     read -p 'URL ok? (Y/n/q)'
     case "${REPLY}" in
         [yY]|[sS]|[Ss][Ii]|[Yy][Ee][Ss]|'')
@@ -31,19 +31,19 @@ done
 
 TOKEN="$(curl -sX POST -F "username=${USER}" -F "password=${PASS}" \
                           "${API_URL}/api-token-auth/" | jq -r .'[]')"
-ITEM0_ID="$(curl -sX GET -H "Authorization: Token ${TOKEN}" "${API_URL}/item/" |
+ITEM_ID="$(curl -sX GET -H "Authorization: Token ${TOKEN}" "${API_URL}/item/" |
             jq -r '.data[-1].id')"
-ODER0_ID="$(curl -sX GET -H "Authorization: Token ${TOKEN}" "${API_URL}/order/" |
+ORDER_ID="$(curl -sX GET -H "Authorization: Token ${TOKEN}" "${API_URL}/order/" |
             jq -r '.data[-1].id')"
 
 separator(){
-    echo && printf '┄%.0s' {1..90} && echo
+    echo && printf '┄%.0s' {1..85} && echo
 }
 
 api_get_token(){
     separator && printf '%s\n' "${1}"
     printf 'curl -X POST -F "username=%s" -F "password=%s" "%s/api-token-auth/"\n' \
-           "${USER}" "${PASS//*/XXXX}"
+           "${USER}" "XXXXXXXX"
     curl -sX POST -F "username=${USER}" -F "password=${PASS}" \
                        "${API_URL}/api-token-auth/" | jq
 }
@@ -64,9 +64,9 @@ api_order_call(){
     printf '     -d "{"item": "%s", "quantity": "%s"} \ \n' "${3}" "${4}"
     printf '     %s/order/\n' "${API_URL}"
     curl -sX POST -H 'Content-Type: application/json' \
-                 -H "Authorization: Token ${TOKEN}" \
-                 -d "{\"item\": \"${ITEM0_ID}\", \"quantity\": \"${4}\"}" \
-                 "${API_URL}/${2}" | jq
+                  -H "Authorization: Token ${TOKEN}" \
+                  -d "{\"item\": \"${ITEM_ID}\", \"quantity\": \"${4}\"}" \
+                  "${API_URL}/${2}" | jq
 }
 
 api_getorder_call(){
@@ -91,10 +91,10 @@ api_contact_call(){
 
 api_get_token "1) Devuelve el token"
 api_item_call "2) Devuelve todos los items" "item/"
-api_item_call "3) Devuelve el primer item" "item/${ITEM0_ID}/"
-api_order_call "4) Realiza un pedido" "order/" "${ITEM0_ID}" 1
+api_item_call "3) Devuelve el primer item" "item/${ITEM_ID}/"
+api_order_call "4) Realiza un pedido" "order/" "${ITEM_ID}" 1
 api_getorder_call "5) Devuelve todas las ordenes" "order/"
-api_getorder_call "6) Devuelve la primera orden" "order/${ODER0_ID}/"
+api_getorder_call "6) Devuelve la primera orden" "order/${ORDER_ID}/"
 api_contact_call "7) Crea un contacto" "DevFzn" "test contacto" "devfzn@mail.com"
 
 exit 0