fix some a/an typos

Signed-off-by: Lou Logan <lou@lrcd.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/libavutil/cpu.h b/libavutil/cpu.h
index cc4e30c4cd..4bff16714a 100644
--- a/libavutil/cpu.h
+++ b/libavutil/cpu.h
@@ -70,7 +70,7 @@
 /**
  * Return the flags which specify extensions supported by the CPU.
  * The returned value is affected by av_force_cpu_flags() if that was used
- * before. So av_get_cpu_flags() can easily be used in a application to
+ * before. So av_get_cpu_flags() can easily be used in an application to
  * detect the enabled cpu flags.
  */
 int av_get_cpu_flags(void);