diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
index 864893c..8b95ac2 100644
--- a/.github/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@@ -27,7 +27,7 @@ pre-commit try-repo {-a} /path/to/local/pre-commit-opentofu/repo {hook_name}
 I.e.
 
 ```bash
-pre-commit try-repo /mnt/c/Users/tf/pre-commit-opentofu terraform_fmt # Run only `terraform_fmt` check
+pre-commit try-repo /mnt/c/Users/tf/pre-commit-opentofu tofu_fmt # Run only `tofu_fmt` check
 pre-commit try-repo -a ~/pre-commit-opentofu # run all existing checks from repo
 ```
 
@@ -35,10 +35,10 @@ Running `pre-commit` with `try-repo` ignores all arguments specified in `.pre-co
 
 If you need to test hook with arguments, follow [pre-commit doc](https://pre-commit.com/#arguments-pattern-in-hooks) to test hooks.
 
-For example, to test that the [`terraform_fmt`](../README.md#terraform_fmt) hook works fine with arguments:
+For example, to test that the [`tofu_fmt`](../README.md#tofu_fmt) hook works fine with arguments:
 
 ```bash
-/tmp/pre-commit-opentofu/terraform_fmt.sh --args=-diff --args=-write=false test-dir/main.tf test-dir/vars.tf
+/tmp/pre-commit-opentofu/tofu_fmt.sh --args=-diff --args=-write=false test-dir/main.tf test-dir/vars.tf
 ```
 
 ## Run hook performance test
diff --git a/.github/ISSUE_TEMPLATE/bug_report_local_install.md b/.github/ISSUE_TEMPLATE/bug_report_local_install.md
index 26deddd..7f17daf 100644
--- a/.github/ISSUE_TEMPLATE/bug_report_local_install.md
+++ b/.github/ISSUE_TEMPLATE/bug_report_local_install.md
@@ -78,7 +78,7 @@ Linux DESKTOP-C7315EF 5.4.72-microsoft-standard-WSL2 #1 SMP Wed Oct 28 23:40:43
 bash << EOF
 bash --version | head -n 1                2>/dev/null || echo "bash SKIPPED"
 pre-commit --version                      2>/dev/null || echo "pre-commit SKIPPED"
-terraform --version | head -n 1           2>/dev/null || echo "terraform SKIPPED"
+tofu --version | head -n 1                2>/dev/null || echo "tofu SKIPPED"
 python --version                          2>/dev/null || echo "python SKIPPED"
 python3 --version                         2>/dev/null || echo "python3 SKIPPED"
 echo -n "checkov " && checkov --version   2>/dev/null || echo "checkov SKIPPED"
diff --git a/hooks/_common.sh b/hooks/_common.sh
index e2dc924..e1a7c48 100644
--- a/hooks/_common.sh
+++ b/hooks/_common.sh
@@ -25,7 +25,7 @@ function common::initialize {
 # Globals (init and populate):
 #   ARGS (array) arguments that configure wrapped tool behavior
 #   HOOK_CONFIG (array) arguments that configure hook behavior
-#   TF_INIT_ARGS (array) arguments for `terraform init` command
+#   TF_INIT_ARGS (array) arguments for `tofu init` command
 #   ENV_VARS (array) environment variables will be available
 #     for all 3rd-party tools executed by a hook.
 #   FILES (array) filenames to check
diff --git a/hooks/terraform_docs.sh b/hooks/terraform_docs.sh
index 9be2808..2b37982 100755
--- a/hooks/terraform_docs.sh
+++ b/hooks/terraform_docs.sh
@@ -64,37 +64,38 @@ function terraform_docs_ {
   elif [[ "$hack_terraform_docs" == "1" ]]; then # Using awk script because terraform-docs is older than 0.8 and terraform 0.12 is used
 
     if [[ ! $(command -v awk) ]]; then
+      # TODO: pls check it
       echo "ERROR: awk is required for terraform-docs hack to work with Terraform 0.12."
       exit 1
     fi
 
     local tmp_file_awk
-    tmp_file_awk=$(mktemp "${TMPDIR:-/tmp}/terraform-docs-XXXXXXXXXX")
-    terraform_docs_awk "$tmp_file_awk"
-    terraform_docs "$tmp_file_awk" "${configs[*]}" "$args" "${files[@]}"
+    tmp_file_awk=$(mktemp "${TMPDIR:-/tmp}/tofu-docs-XXXXXXXXXX")
+    tofu_docs_awk "$tmp_file_awk"
+    tofu_docs "$tmp_file_awk" "${configs[*]}" "$args" "${files[@]}"
     rm -f "$tmp_file_awk"
 
   else # Using terraform 0.11 and no awk script is needed for that
-
-    terraform_docs "0" "${configs[*]}" "$args" "${files[@]}"
+    # TODO: should be deleted for OpenTofu.
+    tofu_docs "0" "${configs[*]}" "$args" "${files[@]}"
 
   fi
 }
 
 #######################################################################
 # Wrapper around `terraform-docs` tool that check and change/create
-# (depends on provided hook_config) terraform documentation in
+# (depends on provided hook_config) OpenTofu documentation in
 # markdown format
 # Arguments:
 #   terraform_docs_awk_file (string) filename where awk hack for old
 #     `terraform-docs` was written. Needed for TF 0.12+.
-#     Hack skipped when `terraform_docs_awk_file == "0"`
+#     Hack skipped when `tofu_docs_awk_file == "0"`
 #   hook_config (string with array) arguments that configure hook behavior
 #   args (string with array) arguments that configure wrapped tool behavior
 #   files (array) filenames to check
 #######################################################################
-function terraform_docs {
-  local -r terraform_docs_awk_file="$1"
+function tofu_docs {
+  local -r tofu_docs_awk_file="$1"
   local -r hook_config="$2"
   local args="$3"
   shift 3
@@ -229,7 +230,7 @@ function terraform_docs {
     else
       # Can't append extension for mktemp, so renaming instead
       local tmp_file_docs
-      tmp_file_docs=$(mktemp "${TMPDIR:-/tmp}/terraform-docs-XXXXXXXXXX")
+      tmp_file_docs=$(mktemp "${TMPDIR:-/tmp}/tofu-docs-XXXXXXXXXX")
       mv "$tmp_file_docs" "$tmp_file_docs.tf"
       local tmp_file_docs_tf
       tmp_file_docs_tf="$tmp_file_docs.tf"
@@ -263,7 +264,7 @@ function terraform_docs {
 # Arguments:
 #   output_file (string) filename where hack will be written to
 #######################################################################
-function terraform_docs_awk {
+function tofu_docs_awk {
   local -r output_file=$1
 
   cat << "EOF" > "$output_file"