diff --git a/README.md b/README.md
index 221fd3d..4b1187e 100644
--- a/README.md
+++ b/README.md
@@ -145,8 +145,8 @@ With your own parameters:
                             (`vmaf_v0.6.1.pkl` and `vmaf_v0.6.1.pkl.model`)
                             (Required if vmaf calculation doesn't work by default)
 
-    --vmaf_res              Resolution used for vmaf calculation, models was trained for
-                            certain resoultion, vmaf_v0.6.1.pkl is 1920x1080 (by default),
+    --vmaf_res              Resolution scaling for vmaf calculation, 
+                            vmaf_v0.6.1.pkl is 1920x1080 (by default),
                             vmaf_4k_v0.6.1.pkl is 3840x2160 (don't forget about vmaf_path)
 
     --vmaf_steps            Number of probes for interpolation.