diff --git a/pages/_meta.json b/pages/_meta.json
index 52c7430..f8b1eef 100644
--- a/pages/_meta.json
+++ b/pages/_meta.json
@@ -3,7 +3,7 @@
   "introduction_to_substrate" : "Introduction to Substrate",
   "overview_polkadot_sdk" : "Overview Polkadot SDK",
   "install_and_run_substrate_node" : "Install and Run Substrate Node",
-  "polkadot_api" : "Polkadot API",
+  "client_libraries" : "Thư viện client",
   "rakiapp": {
     "title": "Polkadot Bootcamp - Video ↗",
     "type": "page",
diff --git a/pages/polkadot_api.mdx b/pages/client_libraries.mdx
similarity index 89%
rename from pages/polkadot_api.mdx
rename to pages/client_libraries.mdx
index 9eef7ec..282d05e 100644
--- a/pages/polkadot_api.mdx
+++ b/pages/client_libraries.mdx
@@ -1,7 +1,7 @@
-# Polkadot API
+# Thư viện client 
 
 ## Định nghĩa 
-Là client api để tương tác với Polkadot hoặc Substrate-based chain ( parachain/solochain) 
+Là những thư viện cung cấp api để tương tác với Polkadot hoặc Substrate-based chain ( parachain/solochain) 
 
 ## Cách sử dụng 
 + Viết script
diff --git a/pages/polkadot_api/_meta.json b/pages/client_libraries/_meta.json
similarity index 100%
rename from pages/polkadot_api/_meta.json
rename to pages/client_libraries/_meta.json
diff --git a/pages/polkadot_api/event_api.mdx b/pages/client_libraries/event_api.mdx
similarity index 100%
rename from pages/polkadot_api/event_api.mdx
rename to pages/client_libraries/event_api.mdx
diff --git a/pages/polkadot_api/interact_with_blockchain.mdx b/pages/client_libraries/interact_with_blockchain.mdx
similarity index 100%
rename from pages/polkadot_api/interact_with_blockchain.mdx
rename to pages/client_libraries/interact_with_blockchain.mdx
diff --git a/pages/polkadot_api/keypair.mdx b/pages/client_libraries/keypair.mdx
similarity index 100%
rename from pages/polkadot_api/keypair.mdx
rename to pages/client_libraries/keypair.mdx