fix name

Author: jdconrad

modules/lang-painless/src/main/java/org/elasticsearch/painless/DefBootstrap.java

@@ -202,7 +202,7 @@ protected MethodHandle computeValue(Class<?> receiverType) {
                         return lookup(flavor, name, receiverType).asType(type);
                     } catch (Throwable t) {
                         // ClassValue.getFromHashMap wraps checked exceptions as Error, so we
-                        // use a sentinel class [PainlessWrapperError] here to work around
+                        // use a sentinel class [PainlessWrappedException] here to work around
                         // this issue and later unwrap the original exception
                         Def.rethrow(t instanceof Exception ? new PainlessWrappedException((Exception) t) : t);
                         throw new AssertionError();