diff --git a/pt/17_0_Talking_to_Bitcoind_Other.md b/pt/18_0_Talking_to_Bitcoind_Other.md similarity index 100% rename from pt/17_0_Talking_to_Bitcoind_Other.md rename to pt/18_0_Talking_to_Bitcoind_Other.md diff --git a/pt/17_1_Accessing_Bitcoind_with_Go.md b/pt/18_1_Accessing_Bitcoind_with_Go.md similarity index 100% rename from pt/17_1_Accessing_Bitcoind_with_Go.md rename to pt/18_1_Accessing_Bitcoind_with_Go.md diff --git a/pt/17_2_Accessing_Bitcoind_with_Java.md b/pt/18_2_Accessing_Bitcoind_with_Java.md similarity index 100% rename from pt/17_2_Accessing_Bitcoind_with_Java.md rename to pt/18_2_Accessing_Bitcoind_with_Java.md diff --git a/pt/17_3_Accessing_Bitcoind_with_NodeJS.md b/pt/18_3_Accessing_Bitcoind_with_NodeJS.md similarity index 100% rename from pt/17_3_Accessing_Bitcoind_with_NodeJS.md rename to pt/18_3_Accessing_Bitcoind_with_NodeJS.md diff --git a/pt/17_4_Accessing_Bitcoind_with_Python.md b/pt/18_4_Accessing_Bitcoind_with_Python.md similarity index 100% rename from pt/17_4_Accessing_Bitcoind_with_Python.md rename to pt/18_4_Accessing_Bitcoind_with_Python.md diff --git a/pt/17_5_Accessing_Bitcoind_with_Rust.md b/pt/18_5_Accessing_Bitcoind_with_Rust.md similarity index 100% rename from pt/17_5_Accessing_Bitcoind_with_Rust.md rename to pt/18_5_Accessing_Bitcoind_with_Rust.md diff --git a/pt/17_6_Accessing_Bitcoind_with_Swift.md b/pt/18_6_Accessing_Bitcoind_with_Swift.md similarity index 100% rename from pt/17_6_Accessing_Bitcoind_with_Swift.md rename to pt/18_6_Accessing_Bitcoind_with_Swift.md