symfony
diff --git a/‎components/config/introduction.rst
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+7Lines changed: 7 additions & 0 deletions b/‎components/config/introduction.rst
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+7Lines changed: 7 additions & 0 deletions
@@ -12,6 +12,13 @@ The Config component provides several classes to help you find, load, combine,
 autofill and validate configuration values of any kind, whatever their source
 may be (YAML, XML, INI files, or for instance a database).
 
+.. caution::
+
+    The ``IniFileLoader`` parses the file contents using the
+    :phpfunction:`parse_ini_file` function, therefore, you can only set
+    parameters to string values. To set parameters to other data types
+    (e.g. boolean, integer, etc), the other loaders are recommended.
+
 Installation
 ------------