diff --git a/pre/README.md b/pre/README.md
index fa67f61..7421b34 100644
--- a/pre/README.md
+++ b/pre/README.md
@@ -1,6 +1,6 @@
 # SKINT Precursors
                          
-This directory contains original Scheme code for autogenerated parts od SKINT C source. 
+This directory contains original Scheme code for autogenerated parts of SKINT C source. 
 To re-generate these files, one has to have working version of SKINT interpreter and [SFC compiler](https://github.com/false-schemers/sharpF). 
 Generation is performed with the help of Skint scripts located in the `/pre` subdirectory. Assuming that both `skint` and `sfc` binaries are just above
 the skint directory tree, the following commands will do the trick: