diff --git a/website/versioned_docs/version-0.15.x/04-working-with-c/03-calling-conventions.md b/website/versioned_docs/version-0.15.x/04-working-with-c/03-calling-conventions.md
index ebae90d..ef7687f 100644
--- a/website/versioned_docs/version-0.15.x/04-working-with-c/03-calling-conventions.md
+++ b/website/versioned_docs/version-0.15.x/04-working-with-c/03-calling-conventions.md
@@ -10,7 +10,7 @@ conventions available may be found in
 Here we make use of the cdecl calling convention.
 
 ```zig
-fn add(a: u32, b: u32) callconv(.C) u32 {
+fn add(a: u32, b: u32) callconv(.c) u32 {
     return a + b;
 }
 ```