kmod_module_get_refcnt: fix documentation
diff --git a/libkmod/libkmod-module.c b/libkmod/libkmod-module.c
index 50b2ff9..1460c67 100644
--- a/libkmod/libkmod-module.c
+++ b/libkmod/libkmod-module.c
@@ -1863,7 +1863,7 @@
  * Get the ref count of this @mod, as returned by Linux Kernel, by reading
  * /sys filesystem.
  *
- * Returns: 0 on success or < 0 on failure.
+ * Returns: the reference count on success or < 0 on failure.
  */
 KMOD_EXPORT int kmod_module_get_refcnt(const struct kmod_module *mod)
 {