Composer updates (#126)

* Correct average typo

* Update to PHP CS FIxer V3.21

2 files changed, 5 insertions, 5 deletions

diff --git a/.php-cs-fixer.php b/.php-cs-fixer.php
index 534bd1d..7017c03 100644
--- a/.php-cs-fixer.php
+++ b/.php-cs-fixer.php
@@ -69,7 +69,7 @@ $config
         // Replace core functions calls returning constants with the constants.
         'function_to_constant' => true,
         // Ensure single space between function's argument and its typehint.
-        'function_typehint_space' => true,
+        'type_declaration_spaces' => true,
         // Renames PHPDoc tags.
         'general_phpdoc_tag_rename' => true,
         // Function `implode` must be called with 2 arguments in the documented order.
@@ -229,7 +229,7 @@ $config
         // A PHP file without end tag must always end with a single empty line feed.
         'single_blank_line_at_eof' => true,
         // There should be exactly one blank line before a namespace declaration.
-        'single_blank_line_before_namespace' => true,
+        'blank_lines_before_namespace' => ['max_line_breaks' => 2, 'min_line_breaks' => 2],
         // There MUST NOT be more than one property or constant declared per statement.
         'single_class_element_per_statement' => true,
         // There MUST be one use keyword per declaration.
diff --git a/README.md b/README.md
index ea390aa..d84fd17 100644
--- a/README.md
+++ b/README.md
@@ -97,9 +97,9 @@ $executor->calculate('round(17.119, 2)'); // 17.12
 ```
 Variable number of parameters:
 ```php
-$executor->addFunction('avarage', function(...$args) {return array_sum($args) / count($args);});
-$executor->calculate('avarage(1,3)'); // 2
-$executor->calculate('avarage(1, 3, 4, 8)'); // 4
+$executor->addFunction('average', function(...$args) {return array_sum($args) / count($args);});
+$executor->calculate('average(1,3)'); // 2
+$executor->calculate('average(1, 3, 4, 8)'); // 4
 ```
 
 ## Operators: