diff --git a/Documentation/UserManual/manual.tex b/Documentation/UserManual/manual.tex
index 99bc370..252d114 100644
--- a/Documentation/UserManual/manual.tex
+++ b/Documentation/UserManual/manual.tex
@@ -1020,7 +1020,7 @@ Different types are also available for the Y-axes. The Y-axis type determines ho
     \hline
     Real & Real part of the complex S-parameter\\
     \hline
-    Imaginary & Imaginary part of the complex S-paramter\\
+    Imaginary & Imaginary part of the complex S-parameter\\
     \hline
     Series Resistance & Real part of the impedance from a reflection measurement\\
     \hline
@@ -1147,7 +1147,7 @@ Both plots are still completely independent of each other. For the alignment to
 \end{itemize}
 \subsection{Polar Chart}
 \screenshot{0.6}{GraphPolarplot.png}
-The Polar Chart looks similar to the smithchart but doesn't perform the transformation from S-paramter to impedance. Furthermore, through measurements can be displayed as well. The available settings are identical to the smithchart but the Polar Chart does not support adding custom constant lines:
+The Polar Chart looks similar to the smithchart but doesn't perform the transformation from S-parameter to impedance. Furthermore, through measurements can be displayed as well. The available settings are identical to the smithchart but the Polar Chart does not support adding custom constant lines:
 \screenshot{0.6}{GraphPolarchartSetup.png}
 
 \subsection{Eye Diagram}