Use `https` when possible.

[ci skip]

1 files changed, 2 insertions, 2 deletions

diff --git a/docs/components/modal.md b/docs/components/modal.md
index 2b28c1998..c4869255b 100644
--- a/docs/components/modal.md
+++ b/docs/components/modal.md
@@ -180,7 +180,7 @@ Additionally, you may give a description of your modal dialog with `aria-describ
 {% callout info %}
 #### Embedding YouTube videos
 
-Embedding YouTube videos in modals requires additional JavaScript not in Bootstrap to automatically stop playback and more. [See this helpful Stack Overflow post](http://stackoverflow.com/questions/18622508/bootstrap-3-and-youtube-in-modal) for more information.
+Embedding YouTube videos in modals requires additional JavaScript not in Bootstrap to automatically stop playback and more. [See this helpful Stack Overflow post](https://stackoverflow.com/questions/18622508/bootstrap-3-and-youtube-in-modal) for more information.
 {% endcallout %}
 
 ## Optional sizes
@@ -316,7 +316,7 @@ To take advantage of the Bootstrap grid system within a modal, just nest `.conta
 
 ## Varying modal content based on trigger button
 
-Have a bunch of buttons that all trigger the same modal, just with slightly different contents? Use `event.relatedTarget` and [HTML `data-*` attributes](https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/Using_data_attributes) (possibly [via jQuery](http://api.jquery.com/data/)) to vary the contents of the modal depending on which button was clicked. See the Modal Events docs for details on `relatedTarget`.
+Have a bunch of buttons that all trigger the same modal, just with slightly different contents? Use `event.relatedTarget` and [HTML `data-*` attributes](https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/Using_data_attributes) (possibly [via jQuery](https://api.jquery.com/data/)) to vary the contents of the modal depending on which button was clicked. See the Modal Events docs for details on `relatedTarget`.
 
 {% example html %}
 <div class="bd-example">