1 files changed, 32 insertions, 6 deletions

diff --git a/plugins/markdown/README.md b/plugins/markdown/README.md
index 4f021871..aafcf066 100644
--- a/plugins/markdown/README.md
+++ b/plugins/markdown/README.md
@@ -20,26 +20,52 @@ The directory structure should look like:
      |--- markdown.css
      |--- markdown.meta
      |--- markdown.php
-     |--- Parsedown.php
      |--- README.md
 ```
 
 To enable the plugin, just check it in the plugin administration page.
 
-You can also add `markdown` to your list of enabled plugins in `data/config.php`
-(`ENABLED_PLUGINS` array).
+You can also add `markdown` to your list of enabled plugins in `data/config.json.php`
+(`general.enabled_plugins` list).
 
 This should look like:
 
 ```
-$GLOBALS['config']['ENABLED_PLUGINS'] = array('qrcode', 'any_other_plugin', 'markdown')
+"general": {
+  "enabled_plugins": [
+    "markdown",
+    [...]
+  ],
+}
 ```
 
+Parsedown parsing library is imported using Composer. If you installed Shaarli using `git`,
+or the `master` branch, run
+
+    composer update --no-dev --prefer-dist
+
 ### No Markdown tag
 
-If the tag `.nomarkdown` is set for a shaare, it won't be converted to Markdown syntax.
+If the tag `nomarkdown` is set for a shaare, it won't be converted to Markdown syntax.
  
-> Note: it's a private tag (leading dot), so it won't be displayed to visitors.
+> Note: this is a special tag, so it won't be displayed in link list.
+
+### HTML rendering
+
+Markdown support HTML tags. For example:
+
+    > <strong>strong</strong><strike>strike</strike>
+   
+Will render as:
+
+> <strong>strong</strong><strike>strike</strike>
+
+If you want to shaare HTML code, it is necessary to use inline code or code blocks.
+  
+**If your shaared descriptions containing HTML tags before enabling the markdown plugin, 
+enabling it might break your page.**
+
+> Note: HTML tags such as script, iframe, etc. are disabled for security reasons.
 
 ### Known issue