diff --git a/docs/source/build.ffmpeg.rst b/docs/source/build.ffmpeg.rst
index 6424f14e63..2bef44ac90 100644
--- a/docs/source/build.ffmpeg.rst
+++ b/docs/source/build.ffmpeg.rst
@@ -341,7 +341,7 @@ Now we build and install
    INSTALL ffmpeg
    INSTALL ffprobe
 
-Checking the intallation
+Checking the installation
 ------------------------
 
 To verify that the FFmpeg we built have CUDA support, we can check the list of available decoders and encoders.