diff --git a/0_vocabulary/README.md b/0_vocabulary/README.md
index 2ff6418..aeba144 100644
--- a/0_vocabulary/README.md
+++ b/0_vocabulary/README.md
@@ -1,4 +1,4 @@
-Task 0: Building Up an Vocabulary
+Chapter 0: Building Up an Vocabulary
 ========================================
 
 __Estimated time__: 4 days
diff --git a/1_concepts/README.md b/1_concepts/README.md
index 3f2ffce..4fd7649 100644
--- a/1_concepts/README.md
+++ b/1_concepts/README.md
@@ -1,4 +1,4 @@
-Task 1: Concepts
+Chapter 1: Concepts
 ================
 
 These tasks describe common and necessary-to-know concepts for everyday programming in [Rust].
diff --git a/2_idioms/README.md b/2_idioms/README.md
index dbcbf56..b2d700d 100644
--- a/2_idioms/README.md
+++ b/2_idioms/README.md
@@ -1,4 +1,4 @@
-Task 2: Idioms
+Chapter 2: Idioms
 ==============
 
 These tasks describe common idioms required for writing well-designed and idiomatic [Rust] code.
diff --git a/3_ecosystem/README.md b/3_ecosystem/README.md
index c8ea7c9..60df9c8 100644
--- a/3_ecosystem/README.md
+++ b/3_ecosystem/README.md
@@ -1,4 +1,4 @@
-Task 3: Common ecosystem
+Chapter 3: Common ecosystem
 ========================
 
 These tasks describe common crates and tools in [Rust] ecosystem required for application and library development.
diff --git a/4_backend/README.md b/4_backend/README.md
index 4ab34dc..2a4bc5a 100644
--- a/4_backend/README.md
+++ b/4_backend/README.md
@@ -1,4 +1,4 @@
-Task 4: Backend ecosystem
+Chapter 4: Backend ecosystem
 =========================
 
 These tasks describe common crates and tools in [Rust] ecosystem required for web backend development.
diff --git a/5_zero2prod/README.md b/5_zero2prod/README.md
index 0e33bd1..4069d37 100644
--- a/5_zero2prod/README.md
+++ b/5_zero2prod/README.md
@@ -1,4 +1,4 @@
-Task 5: Zero To Production
+Chapter 5: Zero To Production
 ================= 
 
 __Estimated time__: 14 days
diff --git a/6_project/README.md b/6_project/README.md
index f25bf0f..3cdf487 100644
--- a/6_project/README.md
+++ b/6_project/README.md
@@ -1,4 +1,4 @@
-Task 6: Capstone project
+Chapter 6: Capstone project
 =========================
 
 Congratulation! You've almost done it!