Update port_os.md
diff --git a/docs/os/core_os/porting/port_os.md b/docs/os/core_os/porting/port_os.md
index 7fcebc7..ff958f3 100644
--- a/docs/os/core_os/porting/port_os.md
+++ b/docs/os/core_os/porting/port_os.md
@@ -9,7 +9,7 @@
libraries and services like console, command shell, image manager,
bootloader, and file systems etc.
-Thee majority of this software is platform independent and requires no
+The majority of this software is platform independent and requires no
intervention to run on your platform, but some of the components require
support from the underlying platform.
