- adds warnings about the lack of precision

Signed-off-by: Vincent Biret <[email protected]>

Author: baywet

registries/_format/decimal.md

@@ -1,9 +1,10 @@
 ---
 owner: baywet
 issue: 889
-description: A fixed or floating point decimal number as defined by ISO/IEC 9075-2 2016 12 15
+description: A fixed point decimal number
 base_type: string
 layout: default
+remarks: Potential loss of precision when used with type number. Not specific enough about the size of the integral and fraction parts without the use of extensions.
 ---
 
 # <a href="..">{{ page.collection }}</a>
@@ -12,7 +13,7 @@ layout: default
 
 Base type: `{{ page.base_type }}`.
 
-The `{{page.slug}}` format represents a fixed or floating point decimal number as defined by ISO/IEC 9075-2 2016 12 15.
+The `{{page.slug}}` format represents a fixed point decimal number.
 
 {% if page.issue %}
 ### GitHub Issue
@@ -23,5 +24,9 @@ The `{{page.slug}}` format represents a fixed or floating point decimal number a
 {% if page.remarks %}
 ### Remarks
 
+When the decimal format is used in combination with the number type, unintentional loss of precision can happen during serialization as most JSON serializers will serialize the value **1.10** to **1.1**.
+
+This format is not prescriptive enough to enable interoperability and its usage is discouraged.
+
 {{ page.remarks }}
 {% endif %}