update with details

ui.R

@@ -34,7 +34,7 @@ titlePanel("Upload file"),
       withMathJax(),
       helpText('Logistic equation $$x(t) =r.x_0.(1-\\frac{x_0}K)$$'),
       tabsetPanel(
-      tabPanel("Details",tableOutput('contents')),
+        tabPanel("Details",tableOutput('contents'),  helpText('You have to format data with tab separartor and dot for decimal. Remove all space in the header from your dataset. Replace it by "_"'),helpText('In your data set there are two arrays, time and cells density (Optic density, Cells number, Biomass ....) ')),
       tabPanel("Plot",plotOutput('plot'), verbatimTextOutput('ex_out'))
       )
     )