Fix GitHub typo (#621)

Author: AustinShalit

ui/src/main/java/edu/wpi/grip/ui/ExceptionAlert.java

@@ -23,7 +23,7 @@
 /**
  * Displays an alert with an exception and provides a place for a user to supply information about
  * what caused the error. Includes a textbox with formatted markdown to allow the issue to be pasted
- * into GitHub easily. Also, provides links with quick access to the githup issue page.
+ * into GitHub easily. Also, provides links with quick access to the GitHub issue page.
  */
 public final class ExceptionAlert extends Alert {
   private static final String PROJECT_ISSUE_LINK = "https://github"