diff --git a/doc/en/Developer/index.md b/doc/en/Developer/index.md
index d488ff9bae492783125855b15809acca5436775b..ad3a091488ec7de458742058adc693db4ce9c9f9 100644
--- a/doc/en/Developer/index.md
+++ b/doc/en/Developer/index.md
@@ -18,7 +18,7 @@ If you want to track the development of STACK or report bugs then you should vis
 
 Work towards the next release of STACK is detailed on [Development track](Development_track.md).
 
-Plans looking futher into the future are described on [Future plans](Future_plans.md).
+Plans looking further into the future are described on [Future plans](Future_plans.md).
 
 The past development history is documented on [Development history](Development_history.md).
 
@@ -32,4 +32,4 @@ There is information on [clearing the cache](Question_state_caching.md).
 
 You can also read on [adding support for Maxima packages](Maxima_packages.md).
 
-You can read about the design of the [PHP interface to the CAS](PHP-CAS.md).
\ No newline at end of file
+You can read about the design of the [PHP interface to the CAS](PHP-CAS.md).