diff --git a/Documentation/Project Goals and Design Decisions.docx b/Documentation/Project Goals and Design Decisions.docx
index bb19a9b..f2d592a 100644
Binary files a/Documentation/Project Goals and Design Decisions.docx and b/Documentation/Project Goals and Design Decisions.docx differ
diff --git a/Interface/main.py b/Interface/main.py
index 85f78b6..e4eaa77 100644
--- a/Interface/main.py
+++ b/Interface/main.py
@@ -23,6 +23,9 @@ texts.append(createText(font, 'Pressure (PSI)', positions[0]))
 texts.append(createText(font, 'Heart Rate (BPM)', positions[1]))
 texts.append(createText(font, '0', positions[2]))
 texts.append(createText(font, '0', positions[3]))
+def test(nothing):
+    return
+testButton = Button([10,10], [50,50], pygame, test, "Hello")
 
 def main():
     done = False
@@ -42,12 +45,12 @@ def main():
 class Button:
     pos = [0,0]
     size = [0,0]
-    def __init__(self, position, size, pygame, function, arguments):
-        self.pygame = pygame
+    def __init__(self, position, size, pygame, function, argument):
         self.pos = position
         self.size = size
         self.function = function
-        self.arguments = arguments
+        self.argument = argument
+        self.pygame = pygame
         return
 
     def isClicked(self):
@@ -55,9 +58,17 @@ class Button:
         if x >= self.pos[0] and x <= self.pos[0]+self.size[0]:
             if y >= self.pos[1] and y <= self.pos[1]+self.size[1]:
                 if pygame.mouse.get_pressed()[0] == True:
-                    self.function(self.arguments)
+                    self.function(self.argument)
                     return True
         return False
 
+    def setPosition(self, x, y):
+        self.pos[0], self.pos[1] = x, y
+        return
+
+    def setArgument(self, argument):
+        self.argument = argument
+        return
+
 if __name__ == "__main__":
     main()