Reword changelog entry

Signed-off-by: David Horstmann <david.horstmann@arm.com>
diff --git a/ChangeLog.d/bugfix_iar_typo.txt b/ChangeLog.d/bugfix_iar_typo.txt
index cda91f5..95f97b1 100644
--- a/ChangeLog.d/bugfix_iar_typo.txt
+++ b/ChangeLog.d/bugfix_iar_typo.txt
@@ -1,2 +1,3 @@
 Bugfix
-   * Fixed an issue that cause compile error using CMake IAR toolchain.
+   * Fixed an issue that caused compile errors when using CMake and the IAR
+     toolchain.