Fix a small typo in the README

shotTables -> showTables

Author: dirkaholic

README.md

@@ -385,7 +385,7 @@ $result = SphinxQL::create($this->conn)
 * `Helper::create($conn)->showMeta() => 'SHOW META'`
 * `Helper::create($conn)->showWarnings() => 'SHOW WARNINGS'`
 * `Helper::create($conn)->showStatus() => 'SHOW STATUS'`
-* `Helper::create($conn)->shotTables() => 'SHOW TABLES'`
+* `Helper::create($conn)->showTables() => 'SHOW TABLES'`
 * `Helper::create($conn)->showVariables() => 'SHOW VARIABLES'`
 * `Helper::create($conn)->setVariable($name, $value, $global = false)`
 * `Helper::create($conn)->callSnippets($data, $index, $query, $options = array())`