2 files changed, 5 insertions, 4 deletions
diff --git a/doc/GlueGen_Mapping.html b/doc/GlueGen_Mapping.html
index d1b5b04..674ef45 100644
--- a/doc/GlueGen_Mapping.html
+++ b/doc/GlueGen_Mapping.html
@@ -2478,9 +2478,10 @@ href="#struct-type-user-param-heterogeneous">heterogeneous
 href="#javacallback-key-definition">key-mapped</a>
 <code>CallbackFunction</code> and <code>UserParam</code>.</p>
 <p>The callback <code>T2_CallbackFunc11</code> is managed by the toolkit
-and passed to the callback function, while user passes a <em>void</em>
-with the registration method <code>MessageCallback11b(..)</code>. The
-toolkit associates the users' <code>void*</code> pointer with the
+and passed to the callback function, while user passes a
+<code>void*</code> as a <code>long</code> value to the registration
+method <code>MessageCallback11b(..)</code>. The toolkit associates the
+users' <code>void*</code> pointer with the
 <code>T2_CallbackFunc11</code>.</p>
 <p>C-API Header snipped</p>
 <pre><code>  typedef struct {
diff --git a/doc/GlueGen_Mapping.md b/doc/GlueGen_Mapping.md
index 6453e64..68617a2 100644
--- a/doc/GlueGen_Mapping.md
+++ b/doc/GlueGen_Mapping.md
@@ -1197,7 +1197,7 @@ leading to the following interface
 
 This examples demonstrates a [heterogeneous *Struct* `UserParam` mapping](#struct-type-user-param-heterogeneous) with a [key-mapped](#javacallback-key-definition) `CallbackFunction` and `UserParam`.
 
-The callback `T2_CallbackFunc11` is managed by the toolkit and passed to the callback function, while user passes a *void* with the registration method `MessageCallback11b(..)`. The toolkit associates the users' `void*` pointer with the `T2_CallbackFunc11`.
+The callback `T2_CallbackFunc11` is managed by the toolkit and passed to the callback function, while user passes a `void*` as a `long` value to the registration method `MessageCallback11b(..)`. The toolkit associates the users' `void*` pointer with the `T2_CallbackFunc11`.
 
 
 C-API Header snipped