diff --git a/src/site/markdown/faq.md b/src/site/markdown/faq.md
index 3f197fb4ab425fdcaddb6fceab4ab1cb5dccbf3f..697867b8a25ae906a2f2495744a547205f1f83cf 100644
--- a/src/site/markdown/faq.md
+++ b/src/site/markdown/faq.md
@@ -31,7 +31,7 @@ to calculate topographic shadow masks for Sentinel 2 products.
 Rugged has been used to validate Airbus Defence and Space (ADS) geolocation library.
 
 Rugged has been used as a Research Library by the French Space Agency (CNES) for
-study on refining for VHR push broom sensors (Pleiades).
+refinement studies for VHR push broom sensors (Pleiades).
 
 ### Is Rugged validated?