Update ch08.adoc

Co-authored-by: David Hassell <[email protected]>

ch08.adoc

@@ -713,7 +713,7 @@ The controlled vocabulary these algorithms thus consists of **`bitround`**, **`b
 See <<quantization-algorithms-description>> for a brief summary of these algorithms.
 
 The second attribute required in a quantization variable is **`implementation`**.
-This attribute contains free-form, unstandardized text that concisely conveys the algorithm provenance, including the name of the library or client that performed the quantization, and the software version.
+This attribute contains free-form, unstandardized text that concisely conveys the algorithm provenance, including the name of the library or client that performed the quantization, the software version, and any other information required to disambiguate the source of the algorithm employed.
 **`implementation`** should include any other information required to disambiguate the source of the algorithm employed.
 
 [[per-variable-quantization-attributes, Section 8.4.2, "Per-variable Quantization Attributes"]]