diff --git a/.gitignore b/.gitignore
index 8d01223..d309915 100644
--- a/.gitignore
+++ b/.gitignore
@@ -117,6 +117,7 @@ venv.bak/
 !Anaconda_navigator.png
 !Anaconda_prompt.png
 !select_python_interpreter.png
+!shear_key_sketch.png
 
 # dat-files
 *.dat
diff --git a/Session 6 - Exercise (shear key plots)/Session 6 - Exercise (shear key plots).ipynb b/Session 6 - Exercise (shear key plots)/Session 6 - Exercise (shear key plots).ipynb
index b6f4932..112c7d6 100644
--- a/Session 6 - Exercise (shear key plots)/Session 6 - Exercise (shear key plots).ipynb	
+++ b/Session 6 - Exercise (shear key plots)/Session 6 - Exercise (shear key plots).ipynb	
@@ -18,7 +18,7 @@
     "\n",
     "It is the forces in these beam elements that we will work with and plot to see how they vary across the slab in each stage.\n",
     "\n",
-    "![title](Shear_key_sketch.png)\n",
+    "![title](shear_key_sketch.png)\n",
     "\n",
     "The end goal of this plotting procedure is to give a quick overview of the results after a calculation has finished, and to be able to flip through the Construction Stages to easily compare them. \n",
     "\n",
diff --git a/Session 6 - Exercise (shear key plots)/shear_key_sketch.PNG b/Session 6 - Exercise (shear key plots)/shear_key_sketch.PNG
new file mode 100644
index 0000000..ba29fee
Binary files /dev/null and b/Session 6 - Exercise (shear key plots)/shear_key_sketch.PNG differ