diff --git a/fine3/readme.md b/fine3/readme.md
index ac2eb66..8d1fe6d 100644
--- a/fine3/readme.md
+++ b/fine3/readme.md
@@ -2,4 +2,4 @@
   - Extract Hdf5 file from zip
   - Copy the file and rename it 'currentfilename'+_refine.hdf5
     - As an example, for [case_P1.zip](./fine3/case_P1.zip) file, extract it first, copy the file and rename the copied file with case_P1_refine.hdf5
-  - keep both hdf5 file in the same directory.
+  - Keep both hdf5 file in the same directory.