diff --git a/README.md b/README.md
index af0b7c44a..ac86b0b22 100644
--- a/README.md
+++ b/README.md
@@ -88,4 +88,4 @@ Contributions by Henrik Brix Andersen, Vojtech Bubnik, Nicolas Dandrimont, Mark
 
 ### How can I invoke Slic3r using the command line?
 
-The command line is documented in the relevent [manual page](http://manual.slic3r.org/advanced/command-line).
+The command line is documented in the relevant [manual page](https://manual.slic3r.org/advanced/command-line).