diff --git a/contents/user-input.tex b/contents/user-input.tex
index 5a79155289774ee3ac2cf66adcc5f67a2494b5a7..93e1082e9b161728f358adbece45c7a035398432 100644
--- a/contents/user-input.tex
+++ b/contents/user-input.tex
@@ -24,6 +24,25 @@ configuration are given in \directory{src/config/}. In order to always have a
 fully-defined, working configuration available, it is suggested to just copy the
 template and edit your copy instead of directly working in the template.
 
+
+% ===============================================
+\section{Configuration validation}
+\label{sec:user:input:valid}
+
+Before initiating a simulation, the user input file is passed through a
+validation function automatically. This function checks if all inputs are
+properly defined (no missing parameters) and formatted (correct type,
+dimensions, etc) before starting the simulation. It also fixes small typos in
+the string parameters whenever possible to ensure proper behavior of the
+software.
+
+If the validation of a parameter fails, a comprehensive error message will be
+returned. This should help the user fix their issues easily.
+
+The validation function will also return preliminary warnings whenever some
+parameters may lead to potential issues (\eg not enough elements).
+
+% ===============================================
 \section{Input variables}
 All input parameters are structured as in the following example.
 
@@ -35,7 +54,7 @@ All input parameters are structured as in the following example.
 
 % ===============================================
 \subsection{General simulation options}
-The structure \lstmat{Sim} contains all general parameters to tailor the
+The structure \textsf{Sim} contains all general parameters to tailor the
 behavior of the software.
 
 \subsubsection{Sim.Save}
@@ -337,18 +356,17 @@ case), you must specify these parameters for both rotors. If the two rotors are
 the same, a simple way to do that consists in adding \lst{Blade(2) = Blade}
 after the definition of the first rotor.
 
-\danger \textbf{Most blade dimensions are specified through a vector of at least
+\danger \textbf{The blade dimensions are specified through a vector of at least
 two elements}. The first element always correspond to the blade root, the last
-one is always the blade tip. The blade geometry will then constructed by
+one is always the blade tip. The blade geometry will then be constructed by
 interpolating points at the different segments, using a spline interpolation (it
 is therefore not necessary to add every single blade section in these vectors).
 The vectors can contain as many points as desired in order to refine the mesh or
 better control the overall geometry of the blade.
 
-Note that the vectors must all have the same dimensions as
-\lst{Blade.radius}. Every element of the other variables is being linked to
-the corresponding spanwise position defined in \lst{radius}.
-
+Note that the vectors must all have the same dimensions as \lst{Blade.radius}.
+The other variables (chord, twist, iAf) all correspond to the value in the base
+stations defined in \lst{Blade.radius}.
 
 \describeOption{Blade.nBlades}{-}{3}{
   Number of blades on the rotor.
@@ -399,20 +417,3 @@ the corresponding spanwise position defined in \lst{radius}.
   be linearly spaced along the span of the blade (defined by the two bounds of
   \lst{Blade.radius}).
 }
-
-% ===============================================
-\section{Configuration validation}
-\label{sec:user:input:valid}
-
-Before initiating a simulation, the user input file is passed through a
-validation function automatically. This function checks if all inputs are
-properly defined and formatted before starting the simulation. It also fixes
-small typos in the string parameters whenever possible to ensure proper behavior
-of the software.
-
-If the validation of a parameter fails, a comprehensive error message will be
-returned. This should help the user to fix their issues easily.
-
-The validation function will also return preliminary warnings whenever some
-parameters may lead to potential issues. These warnings can easily be turned
-off.