diff --git a/thesis.tex b/thesis.tex
index e8e251a..14397dd 100644
--- a/thesis.tex
+++ b/thesis.tex
@@ -8000,7 +8000,7 @@ execution, moreover, the value of some environment variables may vary
 according to which user asks the environment.
 %
 For example, an environment may contain the environment variable
-\texttt{USER} that is bound to the name of the inquiring user.
+\texttt{USER} that is bound to the name of the enquiring user.
 
 An environment variable can be viewed as an instance of dynamic
 binding. The idea of dynamic binding as a binding form in programming