diff --git a/README.md b/README.md
index 3ddf26a3b..90ceb69f8 100644
--- a/README.md
+++ b/README.md
@@ -149,7 +149,7 @@ There is also a comprehensive
 - Your favourite command isn't covered?
 - You can think of more examples for an existing command?
 
-All `tldr` pages are kept as markdown files right here in this repository,
+All `tldr` pages are kept as Markdown files right here in this repository,
 so you can edit them directly and submit your changes as pull requests.
 
 All contributions are welcome!
diff --git a/pages.ko/common/alex.md b/pages.ko/common/alex.md
index 76804605f..6ff98c35b 100644
--- a/pages.ko/common/alex.md
+++ b/pages.ko/common/alex.md
@@ -16,6 +16,6 @@
 
 `alex {{textfile.md}}`
 
-- `example.md`를 제외한 모든 markdown 파일 분석:
+- `example.md`를 제외한 모든 Markdown 파일 분석:
 
 `alex *.md !{{example.md}}`
diff --git a/pages/common/alex.md b/pages/common/alex.md
index 683191573..eadc8c5e0 100644
--- a/pages/common/alex.md
+++ b/pages/common/alex.md
@@ -16,6 +16,6 @@
 
 `alex {{textfile.md}}`
 
-- Analyze all markdown files except `example.md`:
+- Analyze all Markdown files except `example.md`:
 
 `alex *.md !{{example.md}}`
diff --git a/pages/common/gh-gist.md b/pages/common/gh-gist.md
index 42f4d5a1a..66841b989 100644
--- a/pages/common/gh-gist.md
+++ b/pages/common/gh-gist.md
@@ -19,6 +19,6 @@
 
 `gh gist list --limit {{int}}`
 
-- View a Gist in the default browser without rendering markdown:
+- View a Gist in the default browser without rendering Markdown:
 
 `gh gist view {{id_or_url}} --web --raw`
diff --git a/pages/common/glow.md b/pages/common/glow.md
index 0f9b37473..beec81d9e 100644
--- a/pages/common/glow.md
+++ b/pages/common/glow.md
@@ -7,11 +7,11 @@
 
 `glow`
 
-- Render a markdown file to the terminal:
+- Render a Markdown file to the terminal:
 
 `glow {{path/to/file}}`
 
-- View a markdown file using a paginator:
+- View a Markdown file using a paginator:
 
 `glow -p {{path/to/file}}`
 
diff --git a/pages/common/mdp.md b/pages/common/mdp.md
index 5b19c1fa1..08826f0cb 100644
--- a/pages/common/mdp.md
+++ b/pages/common/mdp.md
@@ -1,9 +1,9 @@
 # mdp
 
-> A command-line based tool to make presentations from markdown files.
+> A command-line based tool to make presentations from Markdown files.
 > More information: <https://github.com/visit1985/mdp>.
 
-- Launch a presentation in the terminal from a markdown file:
+- Launch a presentation in the terminal from a Markdown file:
 
 `mdp {{presentation.md}}`
 
diff --git a/pages/common/roave-backward-compatibility-check.md b/pages/common/roave-backward-compatibility-check.md
index f9de31707..5e9f344e6 100644
--- a/pages/common/roave-backward-compatibility-check.md
+++ b/pages/common/roave-backward-compatibility-check.md
@@ -15,6 +15,6 @@
 
 `roave-backward-compatibility-check --to={{git_reference}}`
 
-- Check for breaking changes and output to markdown:
+- Check for breaking changes and output to Markdown:
 
 `roave-backward-compatibility-check --format=markdown > {{results.md}}`
diff --git a/pages/linux/mdbook.md b/pages/linux/mdbook.md
index 4d2a0bf80..f4495960c 100644
--- a/pages/linux/mdbook.md
+++ b/pages/linux/mdbook.md
@@ -19,6 +19,6 @@
 
 `mdbook serve`
 
-- Watch a set of markdown files and automatically build when a file is changed:
+- Watch a set of Markdown files and automatically build when a file is changed:
 
 `mdbook watch`
diff --git a/scripts/pdf/README.md b/scripts/pdf/README.md
index 6ff29a61c..fe86360fe 100644
--- a/scripts/pdf/README.md
+++ b/scripts/pdf/README.md
@@ -15,7 +15,7 @@ This directory contains the script and related resources to generate a PDF docum
 
 ## Requirements
 
-The PDF is generated by first converting the markdown files to HTML, and then rendering those HTML files as PDF. It depends on `markdown` and `weasyprint` libraries. To install the dependencies, run:
+The PDF is generated by first converting the Markdown files to HTML, and then rendering those HTML files as PDF. It depends on `markdown` and `weasyprint` libraries. To install the dependencies, run:
 
     pip3 install -r requirements.txt