diff --git a/doc/user_guide.md b/doc/user_guide.md
index 970090a..cf539cb 100644
--- a/doc/user_guide.md
+++ b/doc/user_guide.md
@@ -646,13 +646,20 @@ structure.
 The input to be used for lexing/parsing is passed in when initializing the
 context structure.
 
-Example:
+C example:
 
 ```
 p_context_t context;
 p_context_init(&context, input, input_length);
 ```
 
+D example:
+
+```
+p_context_t context;
+p_context_init(&context, input);
+```
+
 ### `p_parse`
 
 The `p_parse()` function is the main entry point to the parser.