diff --git a/spec-compliance-matrix.md b/spec-compliance-matrix.md
index 50ee6f4484e..73108333f1e 100644
--- a/spec-compliance-matrix.md
+++ b/spec-compliance-matrix.md
@@ -121,8 +121,8 @@ formats is required. Implementing more than one format is optional.
 | Instrument names conform to the specified syntax.                                                                                                                      |          | -  | +    |     | +      |      |        |     | +   | +   | +    |       |
 | Instrument units conform to the specified syntax.                                                                                                                      |          | -  | +    |     | +      |      |        |     | +    | +   | +    |       |
 | Instrument descriptions conform to the specified syntax.                                                                                                               |          | -  | +    |     | -      |      |        |     |      | -   | +    |       |
-| Instrument supports the advisory ExplicitBucketBoundaries parameter.                                                                                                                   |          |    |      |     |        |      |        |     |      |     |      |       |
-| Instrument supports the advisory Attributes parameter.                                                                                                                                 |          |    |      |     |        |      |        |     |      |     |      |       |
+| Instrument supports the advisory ExplicitBucketBoundaries parameter.                                                                                                   |          |    | +    |     |        |      |        |     |      |     |      |       |
+| Instrument supports the advisory Attributes parameter.                                                                                                                 |          |    | +    |     |        |      |        |     |      |     |      |       |
 | `create_counter` returns a `Counter`.                                                                                                                                  |          | +  | +    | +   | +      |      |        | +   |  +   | +   | +    |       |
 | The API for `Counter` accepts the name, unit and description of the instrument.                                                                                        |          | +  | +    | +   | +      |      |        | +   |  +   | +   | +    |       |
 | `Counter` has an `add` method.                                                                                                                                         |          | +  | +    | +   | +      |      |        | +   |  +   | +   | +    |       |