Fix rst grammar problems (#4116)

docs/faq.rst

@@ -46,10 +46,10 @@ https://github.com/airbnb/superset/issues?q=label%3Aexample+is%3Aclosed
 
 
 Can I upload and visualize csv data?
--------------------------------------
+------------------------------------
 
 Yes, using the ``Upload a CSV`` button under the ``Sources``
-menu item. This brings up a form that allows you specify required information. After creating the table from CSV, it can then be loadede like any other on the ``Sources -> Tables``page.
+menu item. This brings up a form that allows you specify required information. After creating the table from CSV, it can then be loaded like any other on the ``Sources -> Tables``page.
 
 
 Why are my queries timing out?
@@ -106,7 +106,7 @@ edit the ``JSON Metadata`` field, more specifically the
 never be affected by any dashboard level filtering.
 
 
-..code::
+..code:: json
 
     {
         "filter_immune_slices": [324, 65, 92],
@@ -141,7 +141,7 @@ to be refreshed - especially if some data is slow moving, or run heavy queries.
 slices from the timed refresh process, add the ``timed_refresh_immune_slices`` key to the dashboard
 ``JSON Metadata`` field:
 
-..code::
+..code:: json
 
     {
        "filter_immune_slices": [],
@@ -157,7 +157,7 @@ Slice refresh will also be staggered over the specified period. You can turn off
 by setting the ``stagger_refresh`` to ``false`` and modify the stagger period by setting
 ``stagger_time`` to a value in milliseconds in the ``JSON Metadata`` field:
 
-..code::
+..code:: json
 
     {
         "stagger_refresh": false,
@@ -236,11 +236,11 @@ It is possible on a per-dashboard basis by providing a mapping of
 labels to colors in the ``JSON Metadata`` attribute using the
 ``label_colors`` key.
 
-..code::
+..code:: json
 
-	{
-	  "label_colors": {
-		"Girls": "#FF69B4",
-		"Boys": "#ADD8E6"
-	  }
-	}
+    {
+        "label_colors": {
+            "Girls": "#FF69B4",
+            "Boys": "#ADD8E6"
+        }
+    }