diff --git a/doc/user-manual/fpakc_UserManual.pdf b/doc/user-manual/fpakc_UserManual.pdf
index ef1494a..1666f42 100644
Binary files a/doc/user-manual/fpakc_UserManual.pdf and b/doc/user-manual/fpakc_UserManual.pdf differ
diff --git a/doc/user-manual/fpakc_UserManual.tex b/doc/user-manual/fpakc_UserManual.tex
index 13be4cd..e572331 100644
--- a/doc/user-manual/fpakc_UserManual.tex
+++ b/doc/user-manual/fpakc_UserManual.tex
@@ -585,12 +585,20 @@ make
                                Type of boundary.
                                 Accepted values are:
                                \begin{itemize}
-                                 \item \textbf{dirichlet}: Elastic reflection of particles.
+                                 \item \textbf{dirichlet}: Constant value of electric potential on the surface.
+                                 \item \textbf{dirichletTime}: Constant value of the electric potential with a time variable profile.
+                                                               The value of \textbf{boundaryEM.potential} will be multiplied for the corresponding value in the file \textbf{boundaryEM.temporalProfile}.
                                 \end{itemize}
-           \item \textbf{potential}: Real.
-                                     Fixed potential for Dirichlet boundary condition.
+          \item \textbf{potential}: Real.
+                                    Fixed potential for Dirichlet boundary condition.
           \item \textbf{physicalSurface}: Integer.
                                           Identification of the edge in the mesh file.
+          \item \textbf{temporalProfile}: Character.
+                                          Filename of the 2 column file containing the time variable profile.
+                                          File must be located in \textbf{output.path}.
+                                          The first column is the time in $\unit{s}$.
+                                          The second column is the factor that will multiply the value of the boundary.
+        
         \end{itemize}
       
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -611,7 +619,7 @@ make
                                 \begin{itemize}
                                   \item \textbf{A}: Ampere.
                                   \item \textbf{Am2}: Ampere per square meter.
-                                                      This value will be multiplied by the surface of injection.
+                                                      This value will be multiplied by the area of injection.
                                   \item \textbf{sccm}: Standard cubic centimetre.
                                   \item \textbf{part/s}: Particles (real) per second.
                                 \end{itemize}
@@ -717,7 +725,7 @@ make
                                                          Output file from previous run used as an initial state for the species.
                                                          The file format must be the same as in \textbf{geometry.meshType}
                                                          Initial particles are assumed to have a Maxwellian distribution.
-                                                         File must be located at \textbf{output.path}.
+                                                         File must be located in \textbf{output.path}.
                                     \item \textbf{particlesPerCell}: Integer.
                                                                      Optional.
                                                                      Initial number of particles per cell.