diff --git a/code/s-transform/readme.md b/code/s-transform/readme.md
index 3b60ccf..d0bb7cc 100644
--- a/code/s-transform/readme.md
+++ b/code/s-transform/readme.md
@@ -1,8 +1,8 @@
-##S-Transform
+## S-transform
 
 
 
-This directory contains the code to S-Transform vertical velocity data, and then retrieve the orientation and wavelength of the waves.
+This directory contains the code to S-transform vertical velocity data, and then retrieve the orientation and wavelength of the waves.
 
 - nph_ndst.m is a matlab script written by Neil Hindley for running the S-transform: it is available from here: (https://doi.org/10.5281/zenodo.4721883).