Polishing.

Fix asterisk callouts.

See #3786

Author: mp911de

src/main/asciidoc/reference/aggregation-framework.adoc

@@ -57,7 +57,7 @@ Note that, if you provide an input class as the first parameter to the `newAggre
 The MongoDB Aggregation Framework provides the following types of aggregation operations:
 
 * Pipeline Aggregation Operators
-* Group Aggregation Operators
+* Group/Accumulator Aggregation Operators
 * Boolean Aggregation Operators
 * Comparison Aggregation Operators
 * Arithmetic Aggregation Operators
@@ -82,19 +82,16 @@ At the time of this writing, we provide support for the following Aggregation Op
 | `setEquals`, `setIntersection`, `setUnion`, `setDifference`, `setIsSubset`, `anyElementTrue`, `allElementsTrue`
 
 | Group/Accumulator Aggregation Operators
-| `addToSet`, `covariancePop`, `covarianceSamp`, `expMovingAvg`, `first`, `last`, `max`, `min`, `avg`, `push`, `sum`, `(*count)`, `stdDevPop`, `stdDevSamp`
+| `addToSet`, `covariancePop`, `covarianceSamp`, `expMovingAvg`, `first`, `last`, `max`, `min`, `avg`, `push`, `sum`, `count` (+++*+++), `stdDevPop`, `stdDevSamp`
 
 | Arithmetic Aggregation Operators
-| `abs`, `add` (via `plus`), `ceil`, `divide`, `exp`, `floor`, `ln`, `log`, `log10`, `mod`, `multiply`, `pow`, `round`, `sqrt`, `subtract` (*via `minus`), `trunc`
-
-| Document Operators
-| `rank`, `denseRank`, `documentNumber`, `shift`
+| `abs`, `add` (+++*+++ via `plus`), `ceil`, `divide`, `exp`, `floor`, `ln`, `log`, `log10`, `mod`, `multiply`, `pow`, `round`, `sqrt`, `subtract` (+++*+++ via `minus`), `trunc`
 
 | String Aggregation Operators
 | `concat`, `substr`, `toLower`, `toUpper`, `stcasecmp`, `indexOfBytes`, `indexOfCP`, `split`, `strLenBytes`, `strLenCP`, `substrCP`, `trim`, `ltrim`, `rtim`
 
 | Comparison Aggregation Operators
-| `eq` (via: `is`), `gt`, `gte`, `lt`, `lte`, `ne`
+| `eq` (+++*+++ via `is`), `gt`, `gte`, `lt`, `lte`, `ne`
 
 | Array Aggregation Operators
 | `arrayElementAt`, `arrayToObject`, `concatArrays`, `filter`, `in`, `indexOfArray`, `isArray`, `range`, `reverseArray`, `reduce`, `size`, `slice`, `zip`
@@ -124,9 +121,9 @@ At the time of this writing, we provide support for the following Aggregation Op
 | `function`, `accumulator`
 |===
 
-* The operation is mapped or added by Spring Data MongoDB.
++++*+++ The operation is mapped or added by Spring Data MongoDB.
 
-Note that the aggregation operations not listed here are currently not supported by Spring Data MongoDB.Comparison aggregation operators are expressed as `Criteria` expressions.
+Note that the aggregation operations not listed here are currently not supported by Spring Data MongoDB. Comparison aggregation operators are expressed as `Criteria` expressions.
 
 [[mongo.aggregation.projection]]
 === Projection Expressions