diff --git a/src/sec2.src.md b/src/sec2.src.md
index 00a45b3..073344d 100644
--- a/src/sec2.src.md
+++ b/src/sec2.src.md
@@ -38,4 +38,4 @@ The following table shows the distributions which support GTK 4.
 ## Installation from the source file
 
 If you want to install a developing version of GTK 4, you need to build it from the source.
-See [Compiling the GTK Libraries](https://docs.gtk.org/gtk4/building.html) secion in the GTK 4 API reference.
+See [Compiling the GTK Libraries](https://docs.gtk.org/gtk4/building.html) section in the GTK 4 API reference.