diff --git a/validation/README.md b/validation/README.md
index dd90af2d13a5adfe7bc7d8f66e24a9f6dca662b9..9b7cee252a834322adf0057f9146c632c733256c 100644
--- a/validation/README.md
+++ b/validation/README.md
@@ -20,7 +20,7 @@ Upon completion, if there hasn't been any error running the command, the validat
 
 Format violations will be listed in `diagnosis`.
 
-The most basic way to invoke the validation tool is just with a Modelcif file (example shows the command plus possible output):
+The most basic way to invoke the validation tool is just with a ModelCIF file (example shows the command plus possible output):
 
 ```bash
 $ validate-mmcif-file model.cif
@@ -64,5 +64,5 @@ $
 
 # Files in this directory
 
-<!--  LocalWords:  PDBx ModelCIF TOC JSON
+<!--  LocalWords:  PDBx ModelCIF TOC JSON CifCheck RCSB mmcif cif pdbx dic
  -->