diff --git a/docsource/conf.py b/docsource/conf.py
index ae11dda..d007f51 100644
--- a/docsource/conf.py
+++ b/docsource/conf.py
@@ -12,7 +12,7 @@
 #
 import os
 import sys
-sys.path.insert(0, os.path.abspath('.'))
+sys.path.insert(0, os.path.abspath('../../inkycal'))
 
 master_doc = 'index'
 # -- Project information -----------------------------------------------------
diff --git a/inkycal/display/display.py b/inkycal/display/display.py
index 51652a2..70a7a29 100644
--- a/inkycal/display/display.py
+++ b/inkycal/display/display.py
@@ -44,7 +44,7 @@ class Display:
         except FileNotFoundError:
             raise Exception('SPI could not be found. Please check if SPI is enabled')
 
-    def render(self, im_black: Image, im_colour=Image or None) -> None:
+    def render(self, im_black: Image, im_colour:Image or None) -> None:
         """Renders an image on the selected E-Paper display.
 
         Initlializes the E-Paper display, sends image data and executes command
@@ -153,7 +153,7 @@ class Display:
             epaper.sleep()
 
     @classmethod
-    def get_display_size(cls, model_name):
+    def get_display_size(cls, model_name) -> (int, int):
         """Returns the size of the display as a tuple -> (width, height)
 
         Looks inside "drivers" folder for the given model name, then returns it's
diff --git a/inkycal/modules/inky_image.py b/inkycal/modules/inky_image.py
index fb6df4e..70ca8fc 100755
--- a/inkycal/modules/inky_image.py
+++ b/inkycal/modules/inky_image.py
@@ -19,11 +19,11 @@ logger = logging.getLogger(__name__)
 
 
 class Inkyimage:
-    """Custom Imge class written for commonly used image operations.
+    """Custom Imgae class written for commonly used image operations.
     """
 
     def __init__(self, image=None):
-        """Initialize Inkyimage module"""
+        """Initialize InkyImage module"""
 
         # no image initially
         self.image = image
@@ -114,7 +114,7 @@ class Inkyimage:
             self.image = image
             logger.info(f'flipped image by {angle} degrees')
 
-    def autoflip(self, layout):
+    def autoflip(self, layout:str) -> None:
         """flips the image automatically to the given layout.
 
         Args:
@@ -215,7 +215,7 @@ class Inkyimage:
 
         return image1
 
-    def to_palette(self, palette, dither=True):
+    def to_palette(self, palette, dither=True) -> (Image, Image):
         """Maps an image to a given colour palette.
 
         Maps each pixel from the image to a colour from the palette.
@@ -320,7 +320,7 @@ class Inkyimage:
 
         else:
             im_black = image.convert('1', dither=dither)
-            im_colour = Image.new(mode='RGB', size=im_black.size, color='white')
+            im_colour = Image.new(mode='1', size=im_black.size, color='white')
 
         logger.info('mapped image to specified palette')
 
@@ -329,3 +329,4 @@ class Inkyimage:
 
 if __name__ == '__main__':
     print(f'running {__name__} in standalone/debug mode')
+