diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index ec5d7d5d..90e28a18 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -55,7 +55,7 @@ or update the `ALIASES` map in [config.py](config.py).
 Then just run the `./autogen.sh` to generate the added or updated aliases. (cf. [DEVELOPMENT][DEVELOPMENT.md])
 
 > IMPORTANT NOTE: To run `autogen.sh`, you need [round][round] and
-> [inkscape][inkscape] command lines that are used for clearning the image
+> [inkscape][inkscape] command lines that are used for cleaning the image
 > resource filenames.
 >
 > Or you should use the docker image.