diff --git a/README.md b/README.md
index 32da5b1..83c17f4 100644
--- a/README.md
+++ b/README.md
@@ -133,7 +133,7 @@ padeldescriptor(standardizetautomers=True)
 padeldescriptor(tautomerlist='\\path\\to\\tautomers\\')
 
 # to use filenames as molecule names
-padeldescriptor(usefilenamesasmolname=True)
+padeldescriptor(usefilenameasmolname=True)
 
 # to set the maximum number of compounds in a resulting descriptors file
 padeldescriptor(maxcpdperfile=32)