Index: src/OFMutableString.h
==================================================================
--- src/OFMutableString.h
+++ src/OFMutableString.h
@@ -91,20 +91,22 @@
 - (void)appendString: (OFString*)string;
 
 /**
  * \brief Appends a formatted string to the OFMutableString.
  *
- * See printf for the format syntax.
+ * See printf for the format syntax. As an addition, %@ is available as format
+ * specifier for objects.
  *
  * \param format A format string which generates the string to append
  */
 - (void)appendFormat: (OFConstantString*)format, ...;
 
 /**
  * \brief Appends a formatted string to the OFMutableString.
  *
- * See printf for the format syntax.
+ * See printf for the format syntax. As an addition, %@ is available as format
+ * specifier for objects.
  *
  * \param format A format string which generates the string to append
  * \param arguments The arguments used in the format string
  */
 - (void)appendFormat: (OFConstantString*)format

Index: src/OFStream.h
==================================================================
--- src/OFStream.h
+++ src/OFStream.h
@@ -666,18 +666,24 @@
  */
 - (size_t)writeLine: (OFString*)string;
 
 /**
  * Writes a formatted string into the stream.
+ *
+ * See printf for the format syntax. As an addition, %@ is available as format
+ * specifier for objects.
  *
  * \param format A string used as format
  * \return The number of bytes written
  */
 - (size_t)writeFormat: (OFConstantString*)format, ...;
 
 /**
  * Writes a formatted string into the stream.
+ *
+ * See printf for the format syntax. As an addition, %@ is available as format
+ * specifier for objects.
  *
  * \param format A string used as format
  * \param arguments The arguments used in the format string
  * \return The number of bytes written
  */

Index: src/OFString.h
==================================================================
--- src/OFString.h
+++ src/OFString.h
@@ -204,11 +204,13 @@
 	      byteOrder: (of_endianess_t)byteOrder
 		 length: (size_t)length;
 
 /**
  * Creates a new OFString from a format string.
- * See printf for the format syntax.
+ *
+ * See printf for the format syntax. As an addition, %@ is available as format
+ * specifier for objects.
  *
  * \param format A string used as format to initialize the OFString
  * \return A new autoreleased OFString
  */
 + stringWithFormat: (OFConstantString*)format, ...;
@@ -402,20 +404,24 @@
 	    byteOrder: (of_endianess_t)byteOrder
 	       length: (size_t)length;
 
 /**
  * Initializes an already allocated OFString with a format string.
- * See printf for the format syntax.
+ *
+ * See printf for the format syntax. As an addition, %@ is available as format
+ * specifier for objects.
  *
  * \param format A string used as format to initialize the OFString
  * \return An initialized OFString
  */
 - initWithFormat: (OFConstantString*)format, ...;
 
 /**
  * Initializes an already allocated OFString with a format string.
- * See printf for the format syntax.
+ *
+ * See printf for the format syntax. As an addition, %@ is available as format
+ * specifier for objects.
  *
  * \param format A string used as format to initialize the OFString
  * \param arguments The arguments used in the format string
  * \return An initialized OFString
  */