diff --git a/cpp/01-values-and-functions/_category_.yaml b/cpp/01-values-and-functions/_category_.yaml
new file mode 100644
index 0000000..ea84e6c
--- /dev/null
+++ b/cpp/01-values-and-functions/_category_.yaml
@@ -0,0 +1,5 @@
+label: Values and functions
+link:
+  type: generated-index
+  description: |
+    Materials related to the values and functions in C++.
diff --git a/cpp/02-compound-data-types/_category_.yaml b/cpp/02-compound-data-types/_category_.yaml
new file mode 100644
index 0000000..58709ec
--- /dev/null
+++ b/cpp/02-compound-data-types/_category_.yaml
@@ -0,0 +1,5 @@
+label: Compound data types
+link:
+  type: generated-index
+  description: |
+    Materials related to the compound data types in C++.
diff --git a/cpp/03-methods-and-operators/_category_.yaml b/cpp/03-methods-and-operators/_category_.yaml
new file mode 100644
index 0000000..c89527e
--- /dev/null
+++ b/cpp/03-methods-and-operators/_category_.yaml
@@ -0,0 +1,5 @@
+label: Methods and operators
+link:
+  type: generated-index
+  description: |
+    Materials related to the methods and operators in C++.
diff --git a/cpp/04-lifetime/_category_.yaml b/cpp/04-lifetime/_category_.yaml
new file mode 100644
index 0000000..94205be
--- /dev/null
+++ b/cpp/04-lifetime/_category_.yaml
@@ -0,0 +1,5 @@
+label: Lifetime
+link:
+  type: generated-index
+  description: |
+    Materials related to the lifetime in C++.
diff --git a/cpp/05-pointers/_category_.yaml b/cpp/05-pointers/_category_.yaml
new file mode 100644
index 0000000..88d9299
--- /dev/null
+++ b/cpp/05-pointers/_category_.yaml
@@ -0,0 +1,5 @@
+label: Pointers
+link:
+  type: generated-index
+  description: |
+    Materials related to the smart pointers in C++.
diff --git a/cpp/06-inheritance-late-binding/_category_.yaml b/cpp/06-inheritance-late-binding/_category_.yaml
new file mode 100644
index 0000000..0b225cb
--- /dev/null
+++ b/cpp/06-inheritance-late-binding/_category_.yaml
@@ -0,0 +1,5 @@
+label: Inheritance and late binding
+link:
+  type: generated-index
+  description: |
+    Materials related to the inheritance and late binding in C++.
diff --git a/cpp/07-exceptions-and-raii/_category_.yml b/cpp/07-exceptions-and-raii/_category_.yaml
similarity index 100%
rename from cpp/07-exceptions-and-raii/_category_.yml
rename to cpp/07-exceptions-and-raii/_category_.yaml
diff --git a/cpp/09-sum-types/_category_.yaml b/cpp/09-sum-types/_category_.yaml
new file mode 100644
index 0000000..baafa62
--- /dev/null
+++ b/cpp/09-sum-types/_category_.yaml
@@ -0,0 +1,5 @@
+label: Sum types
+link:
+  type: generated-index
+  description: |
+    Materials related to the sum types in C++.
diff --git a/cpp/10-algorithms/_category_.yaml b/cpp/10-algorithms/_category_.yaml
new file mode 100644
index 0000000..87cb963
--- /dev/null
+++ b/cpp/10-algorithms/_category_.yaml
@@ -0,0 +1,5 @@
+label: Algorithms
+link:
+  type: generated-index
+  description: |
+    Materials related to the algorithm header in C++.
diff --git a/cpp/11-iterators/_category_.yaml b/cpp/11-iterators/_category_.yaml
new file mode 100644
index 0000000..b091750
--- /dev/null
+++ b/cpp/11-iterators/_category_.yaml
@@ -0,0 +1,5 @@
+label: Iterators
+link:
+  type: generated-index
+  description: |
+    Materials related to the iterators in C++.
diff --git a/cpp/12-input-output/_category_.yaml b/cpp/12-input-output/_category_.yaml
new file mode 100644
index 0000000..cb7bc0d
--- /dev/null
+++ b/cpp/12-input-output/_category_.yaml
@@ -0,0 +1,5 @@
+label: Input and output
+link:
+  type: generated-index
+  description: |
+    Materials related to the IO in C++.