diff --git a/contributing.md b/contributing.md
index 707cd6e..e0034eb 100644
--- a/contributing.md
+++ b/contributing.md
@@ -8,7 +8,7 @@ Please ensure your pull request adheres to the following guidelines:
     as yours may be a duplicate.
 - Make sure the resource is useful before submitting.
 - Make an individual pull request for each suggestion.
-- Use [title-casing](http://titlecapitalization.com) (AP style).
+- Use [title-casing](https://capitalizemytitle.com) (AP style).
 - Use the following format: `[Resource Name](link) - Description text.`
 - New categories or improvements to the existing categorization are welcome.
 - Check your spelling and grammar.
diff --git a/readme.md b/readme.md
index 4675819..179439e 100644
--- a/readme.md
+++ b/readme.md
@@ -97,7 +97,7 @@ A curated list of awesome 3D printing resources.
 - [SolveSpace] - Minimalist CAD software. (open source)
 - [Tinkercad] - Browser based free app for 3D design, electronics, and coding.
 
-[AutoCAD]: https://autodesk.com/products/autocad/overview
+[AutoCAD]: https://www.autodesk.com/products/autocad/overview
 [Autodesk Fusion 360]: https://www.autodesk.com/products/fusion-360/personal
 [Blender]: https://www.blender.org/
 [FreeCAD]: https://freecadweb.org
@@ -226,7 +226,7 @@ Convert 3D models into G-Code.
 
 [iSense 3D scanner]: https://cubify.com/products/isense
 [MakerBot Digitizer]: https://makerbot.com/makerware-for-digitizer
-[Matter and Form]: https://matterandform.net/scanner
+[Matter and Form]: https://matterandform.net
 [Sense]: https://cubify.com/products/sense