diff --git a/content/docs/start/data-management/data-and-model-access.md b/content/docs/start/data-management/data-and-model-access.md
index 463b3e9122..b5ccefb694 100644
--- a/content/docs/start/data-management/data-and-model-access.md
+++ b/content/docs/start/data-management/data-and-model-access.md
@@ -8,7 +8,7 @@ bring, explore, and access data artifacts from outside the project'
 
 <details>
 
-## 🎬 Click to watch a video intro.
+### 🎬 Click to watch a video intro.
 
 https://youtu.be/EE7Gk84OZY8
 
diff --git a/content/docs/start/data-management/data-pipelines.md b/content/docs/start/data-management/data-pipelines.md
index 5a73d6c09b..6dfda9c903 100644
--- a/content/docs/start/data-management/data-pipelines.md
+++ b/content/docs/start/data-management/data-pipelines.md
@@ -8,7 +8,7 @@ version, and reproduce your data science and machine learning workflows.'
 
 <details>
 
-## 🎬 Click to watch a video intro.
+### 🎬 Click to watch a video intro.
 
 https://youtu.be/71IGzyH95UY
 
diff --git a/content/docs/start/data-management/data-versioning.md b/content/docs/start/data-management/data-versioning.md
index 9575ddd375..db99cc4b29 100644
--- a/content/docs/start/data-management/data-versioning.md
+++ b/content/docs/start/data-management/data-versioning.md
@@ -9,7 +9,7 @@ files in Git.'
 
 <details>
 
-## 🎬 Click to watch a video intro.
+### 🎬 Click to watch a video intro.
 
 https://youtu.be/kLKBcPonMYw
 
diff --git a/content/docs/start/data-management/metrics-parameters-plots.md b/content/docs/start/data-management/metrics-parameters-plots.md
index 3494cc4fb8..42fab255d2 100644
--- a/content/docs/start/data-management/metrics-parameters-plots.md
+++ b/content/docs/start/data-management/metrics-parameters-plots.md
@@ -8,7 +8,7 @@ capture, evaluate, and visualize ML projects without leaving Git.'
 
 <details>
 
-## 🎬 Click to watch a video intro.
+### 🎬 Click to watch a video intro.
 
 https://youtu.be/bu3l75eQlQo
 
diff --git a/content/docs/start/experiment-management/experiments.md b/content/docs/start/experiment-management/experiments.md
index 5ee63052fd..ba2d51ebc0 100644
--- a/content/docs/start/experiment-management/experiments.md
+++ b/content/docs/start/experiment-management/experiments.md
@@ -9,7 +9,7 @@ comparing them easily and finding the best performers.'
 
 <details>
 
-## 🎬 Click to watch a video intro.
+### 🎬 Click to watch a video intro.
 
 <admon type="warn">
 
@@ -43,7 +43,7 @@ the [`example-dvc-experiments`][ede] project.
 
 <details>
 
-## ⚙️ Initializing a project with DVC experiments
+### ⚙️ Initializing a project with DVC experiments
 
 If you already have a DVC project, that's great. You can start to use `dvc exp`
 commands right away to run experiments in your project. (See the [User Guide]
diff --git a/content/docs/user-guide/how-to/stop-tracking-data.md b/content/docs/user-guide/how-to/stop-tracking-data.md
index 4f85b2befb..ebd5af75d6 100644
--- a/content/docs/user-guide/how-to/stop-tracking-data.md
+++ b/content/docs/user-guide/how-to/stop-tracking-data.md
@@ -10,7 +10,7 @@ in error to DVC.
 
 <details>
 
-## Expand to add a sample data `data.csv` file
+### Expand to add a sample data `data.csv` file
 
 `dvc add` creates a `.dvc` file to track the file, and lists it in `.gitignore`:
 
diff --git a/content/docs/user-guide/pipelines/defining-pipelines.md b/content/docs/user-guide/pipelines/defining-pipelines.md
index 45776b3b01..5f6346db74 100644
--- a/content/docs/user-guide/pipelines/defining-pipelines.md
+++ b/content/docs/user-guide/pipelines/defining-pipelines.md
@@ -46,7 +46,7 @@ files to find stages, rebuilding all the pipelines that these may define.
 
 <details>
 
-## Directed Acyclic Graph (DAG)
+### Directed Acyclic Graph (DAG)
 
 DVC represents a pipeline internally as a _graph_ where the nodes are stages and
 the edges are _directed_ dependencies (e.g. A before B). And in order for DVC to