diff --git a/README.md b/README.md
index cf42ce2..2dbc8ee 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,6 @@ Requirements for running 'ScarFace' and a manual can be found in 'MANUAL.md'.
 <br><br>
 If you use 'ScarFace' for your published research, please cite:
 <br><br>
-Raitzsch, M. and Gattuso, J.-P., 2020. ScarFace - seacarb calculations with a Shiny user interface. Available from: https://github.com/martens73/ScarFace.
+Raitzsch, M. and Gattuso, J.-P., 2020. ScarFace - seacarb calculations with R Shiny user interface. https://github.com/martens73/ScarFace.
 <br> as well as <br>
-Gattuso J.-P., Epitalon J.-M., Lavigne H. & Orr J., 2019. seacarb: seawater carbonate chemistry. R package version 3.2.12. http://CRAN.R-project.org/package=seacarb.
+Gattuso J.-P., Epitalon J.-M., Lavigne H. and Orr J., 2019. seacarb: seawater carbonate chemistry. R package version 3.2.12. http://CRAN.R-project.org/package=seacarb.
diff --git a/app.R b/app.R
index 9ea69c5..f9b5893 100644
--- a/app.R
+++ b/app.R
@@ -7,7 +7,6 @@ library(dplyr)
 
 ##### UI #####
 ui <- dashboardPage(
-    # dashboardHeader(title = img(src="logo.png", height = 25)),
     dashboardHeader(title = "ScarFace"),
     dashboardSidebar(
         sidebarMenu(id = "tabs",
@@ -31,11 +30,10 @@ ui <- dashboardPage(
                     br(),
                     br(),
                     br(),
-                    # div(img(src = "logo.png", width = 200), style="text-align: center;"),
                     p("ScarFace", align = "center", style="color: #7da2d1; font-size: 48px"),
-                    p(em("version 1.0"), align="center"),
+                    p(em("version 1.0.0"), align="center"),
                     p("This application is designed to calculate the carbonate system chemistry of seawater based on the 'seacarb' package using a graphical user interface", align="center"),
-                    p("Its name stands for ",tags$b("s"),"ea",tags$b("car"),"b calculations with a Shiny user inter",tags$b("face"),".",align="center"),
+                    p("Its name stands for ",tags$b("s"),"ea",tags$b("car"),"b calculations with R Shiny user inter",tags$b("face"),".",align="center"),
                     p("'ScarFace' was written in 'R' and embedded in an interactive web app using the 'Shiny' package. Shiny combines the computational power of R with the interactivity of the modern web.", align="center"),
                     p("Shiny uses reactive elements, i.e. the user interacts via the 'ui' (user interface) with the actual R code running in the background called 'server'. Whenever the user make input changes, this will automatically affect all dependent elements (e.g. plots or data tables).", align="center"),
                     p("Even though the code can be accessed and modified, there is no need for the user to dig into R programming. So 'ScarFace' is extremely user-friendly and makes the usage of 'seacarb' work like a charm.", align="center"),
@@ -361,16 +359,12 @@ ui <- dashboardPage(
                     br(),
                     br(),
                     br(),
-                    # div(img(src = "logo.png", width = 200), style="text-align: center;"),
                     p("ScarFace", align = "center", style="color: #7da2d1; font-size: 48px"),
-                    p(em("version 1.0"), align="center"),
-                    p("When you use ScarFace for your published research, please cite it as follows:", align="center"),
+                    p(em("version 1.0.0"), align="center"),
+                    p("When you use 'ScarFace' for your published research, please cite the following two references:", align="center"),
                       br(),
-                      p("Raitzsch, M. and Gattuso, J.-P. (2020): ScarFace - seacarb calculations with a Shiny user interface. Available from: https://github.com/martens73/ScarFace.", align="center"),
-                      br(),
-                      p("but also please give due credit to the creators of the package 'seacarb':", align="center"),
-                      br(),
-                      p("Gattuso J.-P., Epitalon J.-M., Lavigne H. & Orr J., 2019. seacarb: seawater carbonate chemistry. R package version 3.2.12. http://CRAN.R-project.org/package=seacarb.", align="center")
+                      p("Raitzsch, M. and Gattuso, J.-P., 2020. ScarFace - seacarb calculations with R Shiny user interface. https://github.com/martens73/ScarFace.", align="center"),
+                      p("Gattuso J.-P., Epitalon J.-M., Lavigne H. and Orr J., 2019. seacarb: seawater carbonate chemistry. R package version 3.2.12. http://CRAN.R-project.org/package=seacarb.", align="center")
             )
         )
     )