diff --git a/README.md b/README.md
index 84597fc..7f3e681 100644
--- a/README.md
+++ b/README.md
@@ -135,3 +135,34 @@ uses: codespell-project/actions-codespell@v2
 with:
   only_warn: 1
 ```
+
+### Parameter: regex
+
+Regular expression that is used to find words.
+
+This parameter is optional.
+
+### Parameter: files
+
+Files or directories to check.
+
+This parameter is optional.
+
+### Parameter: after_context
+
+Print a number of lines of trailing context.
+
+This parameter is optional.
+
+### Parameter: before_context
+
+Print a number of lines of leading context.
+
+This parameter is optional.
+
+### Parameter: context
+
+Print a number of lines of surrounding context.
+
+This parameter is optional.
+
diff --git a/action.yml b/action.yml
index 59e4372..d02b84c 100644
--- a/action.yml
+++ b/action.yml
@@ -42,6 +42,26 @@ inputs:
     description: 'If set, only warn, never error'
     required: false
     default: ''
+  regex:
+    description: "Regular expression that is used to find words"
+    required: false
+    default: ''
+  files:
+    description: "Files or directories to check"
+    required: false
+    default: ''
+  after_context:
+    description: "Print a number of lines of trailing context"
+    required: false
+    default: ''
+  before_context:
+    description: "Print a number of lines of leading context"
+    required: false
+    default: ''
+  context:
+    description: "Print a number of lines of surrounding context"
+    required: false
+    default: ''
 runs:
   using: 'docker'
   image: 'Dockerfile'
diff --git a/entrypoint.sh b/entrypoint.sh
index 7c3d4ed..5ee9dd8 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -44,6 +44,26 @@ echo "Ignore URI words list '${INPUT_URI_IGNORE_WORDS_LIST}'"
 if [ "x${INPUT_URI_IGNORE_WORDS_LIST}" != "x" ]; then
     command_args="${command_args} --uri-ignore-words-list ${INPUT_URI_IGNORE_WORDS_LIST}"
 fi
+echo "Regular expression that is used to find words: '${INPUT_REGEX}'"
+if [ "x${INPUT_REGEX}" != "x" ]; then
+    command_args="${command_args} --regex ${INPUT_REGEX}"
+fi
+echo "Files or directories to check: '${INPUT_FILES}'"
+if [ "x${INPUT_FILES}" != "x" ]; then
+    command_args="${command_args} --regex ${INPUT_FILES}"
+fi
+echo "Print a number of lines of trailing context: '${INPUT_AFTER_CONTEXT}'"
+if [ "x${INPUT_AFTER_CONTEXT}" != "x" ]; then
+    command_args="${command_args} --after-context ${INPUT_AFTER_CONTEXT}"
+fi
+echo "Print a number of lines of leading context: '${INPUT_BEFORE_CONTEXT}'"
+if [ "x${INPUT_BEFORE_CONTEXT}" != "x" ]; then
+    command_args="${command_args} --before-context ${INPUT_BEFORE_CONTEXT}"
+fi
+echo "Print a number of lines of surrounding context: '${INPUT_CONTEXT}'"
+if [ "x${INPUT_CONTEXT}" != "x" ]; then
+    command_args="${command_args} --context ${INPUT_CONTEXT}"
+fi
 echo "Resulting CLI options ${command_args}"
 exec 5>&1
 res=`{ { codespell --count ${command_args} ${INPUT_PATH}; echo $? 1>&4; } 1>&5; } 4>&1`