Fixed two typos

src/core/lombok/core/Version.java

@@ -29,7 +29,7 @@ public class Version {
 	// Note: In 'X.Y.Z', if Z is odd, its a snapshot build built from the repository, so many different 0.10.3 versions can exist, for example.
 	// Official builds always end in an even number. (Since 0.10.2).
 	private static final String VERSION = "0.12.1";
-	private static final String RELEASE_NAME = "Angry Butterfy";
+	private static final String RELEASE_NAME = "Angry Butterfly";
 	
 	private Version() {
 		//Prevent instantiation

src/core/lombok/eclipse/handlers/HandleEqualsAndHashCode.java

@@ -221,7 +221,7 @@ public class HandleEqualsAndHashCode extends EclipseAnnotationHandler<EqualsAndH
 				// The user code couldn't possibly (barring really weird subclassing shenanigans) be in a shippable state anyway; the implementations of these 3 methods are
 				// all inter-related and should be written by the same entity.
 				String msg = String.format("Not generating %s: One of equals, hashCode, and canEqual exists. " +
-						"You should either write all of these are none of these (in the latter case, lombok generates them).",
+						"You should either write all of these or none of these (in the latter case, lombok generates them).",
 						equalsExists == MemberExistsResult.NOT_EXISTS && hashCodeExists == MemberExistsResult.NOT_EXISTS ? "equals and hashCode" :
 						equalsExists == MemberExistsResult.NOT_EXISTS ? "equals" : "hashCode");
 				errorNode.addWarning(msg);