mistake

docs/libcurl/curl_formadd.3

@@ -90,7 +90,7 @@ followed by a pointer to a string to a name, will make libcurl use the given
 name in the file upload part, instead of the actual file name given to
 \fICURLFORM_FILE\fP.
 
-.IP BCURLFORM_BUFFER
+.IP CURLFORM_BUFFER
 followed by a string, tells libcurl that a buffer is to be used to upload data
 instead of using a file. The given string is used as the value of the file
 name field in the content header.