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-rw-r--r--include/curl_wrapper.hpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/curl_wrapper.hpp b/include/curl_wrapper.hpp
index de160d2..9e7ee48 100644
--- a/include/curl_wrapper.hpp
+++ b/include/curl_wrapper.hpp
@@ -57,6 +57,10 @@ enum class http_method
/*!
* @brief `std::map` of parameters for %API calls.
*
+ * Note that arrays always have to be specified as vectors, even if they have
+ * only 1 element. To send a file, use “<tt>\@file:</tt>” followed by the file
+ * name as value.
+ *
* Example:
* @code
* parametermap parameters