diff --git a/doc/mkdocs/docs/features/macros.md b/doc/mkdocs/docs/features/macros.md
index d044bfd26..b468c091a 100644
--- a/doc/mkdocs/docs/features/macros.md
+++ b/doc/mkdocs/docs/features/macros.md
@@ -16,7 +16,7 @@ See [Switch off exceptions](../home/exceptions.md#switch-off-exceptions) for an
 
 This macro enables extended diagnostics for exception messages. Possible values are `1` to enable or `0` to disable (default).
 
-When enabled, exception messages contain a [JSON Pointer](json_pointer.md) to the JSON value that triggered the exception, see [Extended diagnostic messages](../home/exceptions.md#extended-diagnostic-messages) for an example.
+When enabled, exception messages contain a [JSON Pointer](json_pointer.md) to the JSON value that triggered the exception, see [Extended diagnostic messages](../home/exceptions.md#extended-diagnostic-messages) for an example. Note that enabling this macro increases the size of every JSON value by one pointer and adds some runtime overhead.
 
 The diagnostics messages can also be controlled with the CMake option `JSON_Diagnostics` (`OFF` by default) which sets `JSON_DIAGNOSTICS` accordingly.
 
diff --git a/doc/mkdocs/docs/home/exceptions.md b/doc/mkdocs/docs/home/exceptions.md
index a3b1e9c76..da68f2149 100644
--- a/doc/mkdocs/docs/home/exceptions.md
+++ b/doc/mkdocs/docs/home/exceptions.md
@@ -52,8 +52,7 @@ Note that `JSON_THROW_USER` should leave the current scope (e.g., by throwing or
 
 ### Extended diagnostic messages
 
-Exceptions in the library are thrown in the local context of the JSON value they are detected. This makes detailed 
-diagnostics messages, and hence debugging, difficult.
+Exceptions in the library are thrown in the local context of the JSON value they are detected. This makes detailed diagnostics messages, and hence debugging, difficult.
 
 ??? example
 
@@ -88,7 +87,6 @@ As this global context comes at the price of storing one additional pointer per
     Now the exception message contains a JSON Pointer `/address/housenumber` that indicates which value has the wrong type.
 
 
-
 ## Parse errors
 
 This exception is thrown by the library when a parse error occurs. Parse errors