Adding missing colon to fix the block formating

docsite/rst/playbooks_filters.rst

@@ -324,25 +324,25 @@ Combining hashes/dictionaries
 .. versionadded:: 2.0
 
 The `combine` filter allows hashes to be merged. For example, the
-following would override keys in one hash:
+following would override keys in one hash::
 
     {{ {'a':1, 'b':2}|combine({'b':3}) }}
 
-The resulting hash would be:
+The resulting hash would be::
 
     {'a':1, 'b':3}
 
 The filter also accepts an optional `recursive=True` parameter to not
 only override keys in the first hash, but also recurse into nested
-hashes and merge their keys too:
+hashes and merge their keys too::
 
     {{ {'a':{'foo':1, 'bar':2}, 'b':2}|combine({'a':{'bar':3, 'baz':4}}, recursive=True) }}
 
-This would result in:
+This would result in::
 
     {'a':{'foo':1, 'bar':3, 'baz':4}, 'b':2}
 
-The filter can also take multiple arguments to merge:
+The filter can also take multiple arguments to merge::
 
     {{ a|combine(b, c, d) }}