diff --git a/docs/interfaces.rst b/docs/interfaces.rst
index 12e6f221e8..ef4e29adf4 100644
--- a/docs/interfaces.rst
+++ b/docs/interfaces.rst
@@ -8,7 +8,7 @@ An interface is a set of function definitions used to enable communication betwe
 Declaring and using Interfaces
 ==============================
 
-Interfaces can be added to contracts either through inline definition, or by importing them from a seperate file.
+Interfaces can be added to contracts either through inline definition, or by importing them from a separate file.
 
 The ``interface`` keyword is used to define an inline external interface: