diff --git a/README.md b/README.md
index 4d0fb81..707adc0 100644
--- a/README.md
+++ b/README.md
@@ -18,11 +18,13 @@ A GitHub action for styling files with [prettier](https://prettier.io).
 | - | :-: | :-: | - |
 | dry | :x: | `false` | Runs the action in dry mode. Files wont get changed and the action fails if there are unprettified files. Recommended to use with prettier_options --check |
 | prettier_version | :x: | `false` | Specific prettier version (by default use latest) |
+| working_directory | :x: | `false` | Specify a directory to cd into before installing prettier and running it, use relative file path to the repository root for example `app/` |
 | prettier_options | :x: | `"--write **/*.js"` | Prettier options (by default it applies to the whole repository) |
 | commit_options | :x: | - | Custom git commit options |
 | push_options | :x: | - | Custom git push options |
 | same_commit | :x: | `false` | Update the current commit instead of creating a new one, created by [Joren Broekema](https://github.com/jorenbroekema), this command works only with the checkout action set to fetch depth '0' (see example 2)  |
 | commit_message | :x: | `"Prettified Code!"` | Custom git commit message, will be ignored if used with `same_commit` |
+| commit_description | :x: | - | Custom git extended commit message, will be ignored if used with `same_commit` |
 | file_pattern | :x: | `*` | Custom git add file pattern, can't be used with only_changed! |
 | prettier_plugins | :x: | - | Install Prettier plugins, i.e. `@prettier/plugin-php @prettier/plugin-other` |
 | only_changed | :x: | `false` | Only prettify changed files, can't be used with file_pattern! This command works only with the checkout action set to fetch depth '0' (see example 2)|
@@ -32,7 +34,8 @@ A GitHub action for styling files with [prettier](https://prettier.io).
 
 ### Example Config
 
-#### Example 1 (run on push in master)
+> Hint: if you still use the old naming convention or generally a different branch name, please replace the `main` in the following configurations.
+#### Example 1 (run on push in branch main)
 ```yaml
 name: Continuous Integration
 
@@ -41,7 +44,7 @@ on:
   pull_request:
   push:
     branches:
-    - master
+    - main
 
 jobs:
   prettier:
@@ -55,7 +58,7 @@ jobs:
         ref: ${{ github.head_ref }}
 
     - name: Prettify code
-      uses: creyD/prettier_action@v4.0
+      uses: creyD/prettier_action@v4.1
       with:
         # This part is also where you can pass other options, for example:
         prettier_options: --write **/*.{js,md}
@@ -67,7 +70,7 @@ name: Continuous Integration
 
 on:
   pull_request:
-    branches: [master]
+    branches: [main]
 
 jobs:
   prettier:
@@ -83,7 +86,7 @@ jobs:
         fetch-depth: 0
 
     - name: Prettify code
-      uses: creyD/prettier_action@v4.0
+      uses: creyD/prettier_action@v4.1
       with:
         # This part is also where you can pass other options, for example:
         prettier_options: --write **/*.{js,md}
@@ -96,7 +99,7 @@ name: Continuous Integration
 
 on:
   pull_request:
-    branches: [master]
+    branches: [main]
 
 jobs:
   prettier:
@@ -112,7 +115,7 @@ jobs:
         persist-credentials: false
 
     - name: Prettify code
-      uses: creyD/prettier_action@v4.0
+      uses: creyD/prettier_action@v4.1
       with:
         prettier_options: --write **/*.{js,md}
         only_changed: True
@@ -126,7 +129,7 @@ name: Continuous Integration
 
 on:
   pull_request:
-    branches: [master]
+    branches: [main]
 
 jobs:
   prettier:
@@ -142,7 +145,7 @@ jobs:
         persist-credentials: false
 
     - name: Prettify code
-      uses: creyD/prettier_action@v4.0
+      uses: creyD/prettier_action@v4.1
       with:
         dry: True
         github_token: ${{ secrets.PERSONAL_GITHUB_TOKEN }}
diff --git a/action.yml b/action.yml
index 3217353..c709804 100644
--- a/action.yml
+++ b/action.yml
@@ -8,6 +8,10 @@ inputs:
     description: Commit message, will be ignored if used with same_commit
     required: false
     default: "Prettified Code!"
+  commit_description:
+    description: Extended commit message, will be ignored if used with same_commit
+    required: false
+    default: ""
   same_commit:
     description: Update the current commit instead of creating a new one
     required: false
@@ -34,6 +38,10 @@ inputs:
     description: Specific version of prettier (by default just use the latest version)
     required: false
     default: false
+  working_directory:
+    description: Specify a directory to cd into before installing prettier and running it
+    required: false
+    default: false
   only_changed:
     description: Only prettify files changed in the last commit, can't be used with file_pattern!
     required: false
@@ -41,13 +49,12 @@ inputs:
   prettier_plugins:
     description: Install Prettier plugins, i.e. `@prettier/plugin-php @prettier/plugin-other`
     required: false
-    default: ''
+    default: ""
   github_token:
     description: GitHub Token or PAT token used to authenticate against a repository
     required: false
     default: ${{ github.token }}
 
-
 runs:
   using: "composite"
   steps:
@@ -58,6 +65,7 @@ runs:
         ${{ github.action_path }}/entrypoint.sh
       env:
         INPUT_COMMIT_MESSAGE: ${{ inputs.commit_message }}
+        INPUT_COMMIT_DESCRIPTION: ${{ inputs.commit_description }}
         INPUT_SAME_COMMIT: ${{ inputs.same_commit }}
         INPUT_COMMIT_OPTIONS: ${{ inputs.commit_options }}
         INPUT_FILE_PATTERN: ${{ inputs.file_pattern }}
@@ -66,6 +74,7 @@ runs:
         INPUT_PRETTIER_VERSION: ${{ inputs.prettier_version }}
         INPUT_ONLY_CHANGED: ${{ inputs.only_changed }}
         INPUT_PRETTIER_PLUGINS: ${{ inputs.prettier_plugins }}
+        INPUT_WORKING_DIRECTORY: ${{ inputs.working_directory }}
         INPUT_GITHUB_TOKEN: ${{ inputs.github_token }}
 
 branding:
diff --git a/entrypoint.sh b/entrypoint.sh
index d3a358b..7a764a4 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -37,6 +37,14 @@ cd "$GITHUB_ACTION_PATH"
 
 echo "Installing prettier..."
 
+case $INPUT_WORKING_DIRECTORY in
+    false)
+        ;;
+    *)
+        cd $INPUT_WORKING_DIRECTORY
+        ;;
+esac
+
 case $INPUT_PRETTIER_VERSION in
     false)
         npm install --silent prettier
@@ -74,7 +82,7 @@ else
 fi
 
 if [ -f 'package-lock.json' ]; then
-  git reset --hard package-lock.json || rm package-lock.json
+  git checkout -- package-lock.json
 else
   echo "No package-lock.json file."
 fi
@@ -93,10 +101,13 @@ if _git_changed; then
 
     if $INPUT_ONLY_CHANGED; then
       # --diff-filter=d excludes deleted files
+      OLDIFS="$IFS"
+      IFS=$'\n'
       for file in $(git diff --name-only --diff-filter=d HEAD^..HEAD)
       do
-        git add $file
+        git add "$file"
       done
+      IFS="$OLDIFS"
     else
       # Add changes to git
       git add "${INPUT_FILE_PATTERN}" || echo "Problem adding your files with pattern ${INPUT_FILE_PATTERN}"
@@ -109,7 +120,7 @@ if _git_changed; then
       git commit --amend --no-edit
       git push origin -f
     else
-      git commit -m "$INPUT_COMMIT_MESSAGE" --author="$GITHUB_ACTOR <$GITHUB_ACTOR@users.noreply.github.com>" ${INPUT_COMMIT_OPTIONS:+"$INPUT_COMMIT_OPTIONS"} || echo "No files added to commit"
+      git commit -m "$INPUT_COMMIT_MESSAGE" if [ "$INPUT_COMMIT_DESCRIPTION" != "" ]; then echo '-m "$INPUT_COMMIT_DESCRIPTION"' fi --author="$GITHUB_ACTOR <$GITHUB_ACTOR@users.noreply.github.com>" ${INPUT_COMMIT_OPTIONS:+"$INPUT_COMMIT_OPTIONS"} || echo "No files added to commit"
       git push origin ${INPUT_PUSH_OPTIONS:-}
     fi
     echo "Changes pushed successfully."