diff --git a/README.md b/README.md
index 6732bbf..9ebb0f0 100644
--- a/README.md
+++ b/README.md
@@ -93,6 +93,7 @@ tftools usage
 
 # TO DO
 
+* When there are updates add flag --show-updates-output
 * Improve error handling
 * Add tests, although I have no experience
 * Code refactor is certainly needed!
diff --git a/docs/usage.md b/docs/usage.md
index 7207d60..42c5565 100644
--- a/docs/usage.md
+++ b/docs/usage.md
@@ -8,6 +8,7 @@
   - [Function for fish](#function-for-fish)
   - [Function for bash](#function-for-bash)
   - [Load new functions](#load-new-functions)
+  - [Using tfsum as a custom binary](#using-tfsum-as-a-custom-binary)
 - [Example](#example)
 - [JSON output support](#json-output-support)
   - [JSON output with arns](#json-output-with-arns)
@@ -114,6 +115,18 @@ source ~/.bashrc
 source ~/.config/fish/config.fish
 ```
 
+## Using tfsum as a custom binary
+
+Copy [tfsum](../scripts/tfsum.sh) to `/usr/local/bin/tfsum`
+
+```shell
+sudo cp scripts/tfsum.sh /usr/local/bin/tfsum
+```
+
+> `/usr/local/bin` or other directory included in your path
+
+Inside the container image of [infratools](https://github.com/containerscrew/infratools), this custom binary is already contemplated.
+
 # Example
 
 ```shell
diff --git a/internal/tui/.keep b/internal/tui/.keep
deleted file mode 100644
index e69de29..0000000
diff --git a/scripts/tfsum.sh b/scripts/tfsum.sh
old mode 100644
new mode 100755
index 881f9da..e977fde
--- a/scripts/tfsum.sh
+++ b/scripts/tfsum.sh
@@ -1,15 +1,17 @@
-function tfsum() {
-    if [ -z "$1" ];
-    then
-        echo "You should type 'tfsum terraform|terragrunt'"
-    else
-        echo -e "Starting tf summary..."
-        # Don't print output of terraform plan
-        # If you don't want full plan output: $1 plan -out plan.tfplan 1> /dev/null
-        $1 plan -out plan.tfplan
-        echo -e "\n"
-        $1 show -json plan.tfplan | tftools summarize
-        # Delete plan out file to avoid git tracking (although is included in .gitignore)
-        if [ -f "plan.tfplan" ]; then rm plan.tfplan; fi
-    fi
-}
+#!/bin/bash
+
+if [ -z "$1" ]; then
+  echo "You should type 'tfsum terraform|terragrunt'"
+  exit 1
+fi
+
+echo -en "Starting tf summary... Please wait"
+
+if [ -n "$2" ] && [ "$2" == "-v" ]; then
+  "$1" plan -out plan.tfplan
+else
+  "$1" plan -out plan.tfplan 1> /dev/null
+fi
+
+"$1" show -json plan.tfplan | tftools summarize --show-tags
+if [ -f "plan.tfplan" ]; then rm plan.tfplan; fi
\ No newline at end of file