diff --git a/plotting/map.R b/plotting/map.R
index d622a30765953caf91144b541412bb1ae111bb24..3f9a3b950d1b9ecdf7d205be9750fe3c378534b0 100644
--- a/plotting/map.R
+++ b/plotting/map.R
@@ -192,7 +192,9 @@ map_panel = function (list_df2plot, df_meta, df_shapefile, idPer=1, outdirTmp=''
         # If there is the verbose option
         if (verbose) {
             # Prints the name of the map
-            print(paste('Map for variable :', type))
+            print(paste('Map for variable : ', type,
+                        "   (", round(i/nbp*100, 1), " %)", 
+                        sep=''))
         } 
 
         # If there is no specified station code to highlight (mini map)
diff --git a/plotting/matrix.R b/plotting/matrix.R
index ebf7805cdfcabd54a06f6e67324c221e25767296..8dba15437b155ab7184266b60d220e6de33be7bd 100644
--- a/plotting/matrix.R
+++ b/plotting/matrix.R
@@ -23,7 +23,7 @@
 #
 # plotting/matrix.R
 #
-#
+# Allows the creation of a summarizing matrix of trend and break analyses
 
 
 ## 1. MATRIX PANEL
@@ -401,10 +401,16 @@ matrix_panel = function (list_df2plot, df_meta, trend_period, mean_period, slice
 
     # Extracts each possibilities of first letter of station code
     firstLetter = levels(factor(substr(Code, 1, 1)))
+    # Number of different first letters
+    nfL = length(firstLetter)
     # For all the available first letter
-    for (fL in firstLetter) {
+    for (ifL in 1:nfL) {
+        # Gets the first letter
+        fL = firstLetter[ifL]
         # Print the matrix name
-        print(paste('Matrix for region :', fL))
+        print(paste('Matrix for region : ', fL,
+                    "   (", round(ifL/nCode*100, 1), " %)", 
+                    sep=''))
 
         # Get only station code with the same first letter 
         subCodefL = Code[substr(Code, 1, 1) == fL]