diff --git a/03-mpi-api/03-mpi-api.tex b/03-mpi-api/03-mpi-api.tex
index ad00a4a..3e6ee6f 100644
--- a/03-mpi-api/03-mpi-api.tex
+++ b/03-mpi-api/03-mpi-api.tex
@@ -79,7 +79,7 @@ \section{Boost.MPI}
     \item Compatible with common MPI implementations like MPICH, OpenMPI, MS MPI, etc.
   \end{itemize}
 
-  Note: C API mapptint ot Boost.MPI: \href{https://www.boost.org/doc/libs/1_86_0/doc/html/mpi/c_mapping.html}{link}
+  Note: C API mappting ot Boost.MPI: \href{https://www.boost.org/doc/libs/1_86_0/doc/html/mpi/c_mapping.html}{link}
 
   {\footnotesize For more details see Boost.MPI docs: \href{https://www.boost.org/doc/libs/1_86_0/doc/html/mpi.html}{link}}
 \end{frame}
@@ -340,7 +340,7 @@ \section{Collective operations}
   \hfill
   \begin{minipage}[t]{0.35\textwidth}
     \begin{figure}[h]
-      \includegraphics[]{images/gather.png}
+      \includegraphics[]{images/scatter.png}
     \end{figure}
   \end{minipage}
   {\footnotesize Source: \href{https://pdc-support.github.io/introduction-to-mpi/07-collective/index.html}{https://pdc-support.github.io/introduction-to-mpi/07-collective/index.html}}