diff --git a/src/procedures.nim b/src/procedures.nim
index bcb0a64..7ea2fb0 100644
--- a/src/procedures.nim
+++ b/src/procedures.nim
@@ -1,5 +1,6 @@
 import strutils, sequtils
 
+#? validate if user input is of correct type
 proc getInt: int =
     while(true):
         try:
@@ -7,6 +8,7 @@ proc getInt: int =
         except:
             echo "Please enter an integer, try again."
 
+#? validate if user input is of correct type
 proc getFloat: float =
     while(true):
         try:
@@ -81,7 +83,7 @@ proc dot* =
 
     #? resultent matrix
     var m: seq[seq[float]]
-    m = calcDot(m1, m2)  #? calculate dot product (in procedures)
+    m = calcDot(m1, m2)
 
     echo "\nFirst matrix is:"
     printMatrix(m1)