Fixed presentation spelling

_data/index.json

@@ -15,6 +15,7 @@
 				"name": "Monday PM",
 				"topic": "Flappy Bird & Practical",
 				"links": {
+					"exercise": "slides_pdf/code/Entropy.java"
 					"code": "https://git.fossgalaxy.com/ce810/asteroids",
 					"lab-parameter": "GEN"
 				}
@@ -31,7 +32,6 @@
 				"name": "Tuesday PM",
 				"topic": "Game Design Hack",
 				"links": {
-					"exercise": "code/Entropy.java",
 					"code": "https://git.fossgalaxy.com/ce810/module-game",
 					"lab-hack": "GEN"
 				}
@@ -84,7 +84,7 @@
 			},
 			{
 				"name": "4",
-				"topic": "Report & Presnetation",
+				"topic": "Report & Presentation",
 				"links": {
 				}
 			},