diff --git a/DOCS/tech/encoding-tips.txt b/DOCS/tech/encoding-tips.txt
index e2f4282417..9f1c71c395 100644
--- a/DOCS/tech/encoding-tips.txt
+++ b/DOCS/tech/encoding-tips.txt
@@ -499,8 +499,8 @@ typically very "noisy", which doesn't help at all. Anyway :
 > -ss 2:00 -endpos 0:30 -vf scale -zoom -xy 640 -o movie.avi                   
 
 1) keyint=48 is way too low. The  default value is 250, this is in *frames*
-not seconds. Key frames are significantly larger than P or B frames, so the
-less key frames you have, better the overall movie will be. (huh, like Yoda
+not seconds. Keyframes are significantly larger than P or B frames, so the
+less keyframes you have, better the overall movie will be. (huh, like Yoda
 I  speak ;).  Try keyint=300  or  350. Don't  go  beyond that  if you  want
 relatively precise seeking.
 
diff --git a/DOCS/xml/en/mencoder.xml b/DOCS/xml/en/mencoder.xml
index 52152d406d..26123f949a 100644
--- a/DOCS/xml/en/mencoder.xml
+++ b/DOCS/xml/en/mencoder.xml
@@ -457,7 +457,7 @@ Usage
 <para>
 With this feature of
 <link linkend="ffmpeg"><systemitem class="library">libavcodec</systemitem></link>
-you are able to set custom inter (I-frames/key frames) and intra
+you are able to set custom inter (I-frames/keyframes) and intra
 (P-frames/predicted frames) matrices. It is supported by many of the codecs:
 <systemitem>mpeg1video</systemitem> and <systemitem>mpeg2video</systemitem>
 are reported as working.