diff --git a/src/modules/app_ruby/README b/src/modules/app_ruby/README
index 40490ad75b..56b7731e4a 100644
@@ -76,9 +76,10 @@ Chapter 1. Admin Guide
available within the Ruby module 'KSR'.
IMPORTANT: because of Ruby language policy (which require that a public
- submodule name has to start with an uppercase leter), the KSR submodule
- names are with all leters uppercase. For example, what is documented as
- KSR.sl in KEMI docs, must be used as KSR::SL in Ruby scripts.
+ submodule name has to start with an uppercase letter), the KSR
+ submodule names are with all letters uppercase. For example, what is
+ documented as KSR.sl in KEMI docs, must be used as KSR::SL in Ruby