diff --git a/src/client-config.hpp b/src/client-config.hpp
index ba02efa..ba63e82 100644
--- a/src/client-config.hpp
+++ b/src/client-config.hpp
@@ -61,6 +61,12 @@
   };
 
 public:
+  /**
+   * @throw ClientConfig::Error when config file does not exist
+   * @throw ClientConfig::Error when the JSON text in the file cannot be parsed correctly
+   * @throw ClientConfig::Error when the ca-prefix attribute in JSON text is empty
+   * @throw ClientConfig::Error when the certificate in JSON text cannot be parsed correctly
+   */
   void
   load(const std::string& fileName);