diff --git a/a.5-bis-decaying-indicators-light-version/content.tex b/a.5-bis-decaying-indicators-light-version/content.tex
index a0293ca..04a2b9d 100644
--- a/a.5-bis-decaying-indicators-light-version/content.tex
+++ b/a.5-bis-decaying-indicators-light-version/content.tex
@@ -239,7 +239,7 @@
         \item \textbf{User-friendly UI} to manually set \textit{Model} configuration (lifetime, decay, etc.)
         \item \textbf{Simulation} tool
         \item Interaction through the \textbf{API}
-        \item Opportunity to create your \textbf{own} formula or algorythm
+        \item Opportunity to create your \textbf{own} formula or algorithm
     \end{itemize}
 \end{frame}
 
diff --git a/a.5-decaying-indicators/content.tex b/a.5-decaying-indicators/content.tex
index 815d0b0..cd69105 100644
--- a/a.5-decaying-indicators/content.tex
+++ b/a.5-decaying-indicators/content.tex
@@ -224,7 +224,7 @@
         \item \textbf{User-friendly UI} to manually set \textit{Model} configuration (lifetime, decay, etc.)
         \item \textbf{Simulation} tool
         \item Interaction through the \textbf{API}
-        \item Opportunity to create your \textbf{own} formula or algorythm
+        \item Opportunity to create your \textbf{own} formula or algorithm
     \end{itemize}
 \end{frame}