Fixed typo.

7b5502bd · yb9976 · 70a58085 · 7b5502bd
Commit 7b5502bd authored Oct 29, 2015 by yb9976
--- a/ir/ir/irprintf.c
+++ b/ir/ir/irprintf.c
@@ -5,7 +5,7 @@

 /**
 * @file
- * @brief   A little printf helper unterstanding firm types
+ * @brief   A little printf helper understanding firm types
 * @author  Sebastian Hack
 * @date    29.11.2004
 */