diff --git a/functions/params_endless.php b/functions/endless.php
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rename from functions/params_endless.php
rename to functions/endless.php
diff --git a/functions/params_ordinary_endless.php b/functions/ordinary_endless.php
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rename from functions/params_ordinary_endless.php
rename to functions/ordinary_endless.php
diff --git a/functions/params_position_named.php b/functions/params_order.php
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rename from functions/params_position_named.php
rename to functions/params_order.php
diff --git a/functions/function_return.php b/functions/return.php
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rename from functions/function_return.php
rename to functions/return.php
diff --git a/functions/function_return_short.php b/functions/return_short.php
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rename from functions/function_return_short.php
rename to functions/return_short.php