diff --git a/src/Introduction.tex b/src/Introduction.tex
index 05d3837..9578348 100644
--- a/src/Introduction.tex
+++ b/src/Introduction.tex
@@ -64,7 +64,7 @@ The chapters that follow are listed below.
 \end{mdframed}
 \index{ground station}\index{process}\index{hardware}\index{software}
 \index{acquire}\index{solve}\index{detect}\index{identify}\index{upload}
-\index{support}\index{plate slover}
+\index{support}\index{plate solver}
 
 
 \section{Libre Space Foundation}