Help text update for type.

[FIXED]     MP-12: Help doesn't always properly update for element type.

MasterPassword/iOS/MPMainViewController.m

@@ -221,12 +221,15 @@
          [NSURLRequest requestWithURL:
           [NSURL URLWithString:[NSString stringWithFormat:@"#%@", chapter] relativeToURL:
            [[NSBundle mainBundle] URLForResource:@"help" withExtension:@"html"]]]];
+    });
+}
+
+- (void)webViewDidFinishLoad:(UIWebView *)webView {
     
     NSString *error = [self.helpView stringByEvaluatingJavaScriptFromString:[NSString stringWithFormat:@"setClass('%@');",
                                                                              ClassNameFromMPElementType(self.activeElement.type)]];
     if (error.length)
-            err(@"setClass: %@", error);
-    });
+        err(@"helpView.setClass: %@", error);
 }
 
 - (void)showContentTip:(NSString *)message withIcon:(UIImageView *)icon {