diff --git a/docs/source/basis/basic_systems.rst b/docs/source/basis/basic_systems.rst
index 5c9f22bb..99187e7f 100644
--- a/docs/source/basis/basic_systems.rst
+++ b/docs/source/basis/basic_systems.rst
@@ -5,7 +5,7 @@ Constraints definition and system solving
 
 .. include:: ../substitutions.sub
 
-A system in Kiwi is defined by a set of contraints that can be either
+A system in Kiwi is defined by a set of constraints that can be either
 equalities or inequalities (>= and <= only, strict inequalities are not
 accepted), each of which can have an associated strength making more or less
 important to respect when solving the problem. The next sections will cover how
diff --git a/docs/source/basis/solver_internals.rst b/docs/source/basis/solver_internals.rst
index 0664bc05..73923534 100644
--- a/docs/source/basis/solver_internals.rst
+++ b/docs/source/basis/solver_internals.rst
@@ -67,7 +67,7 @@ In the dump, the letters have the following meaning:
 - i: invalid symbol, returned when no valid symbol can be found.
 
 
-Stay contraints emulation
+Stay constraints emulation
 -------------------------
 
 One feature of Cassowary that Kiwi abandoned is the notion of stay
diff --git a/docs/source/use_cases/enaml.rst b/docs/source/use_cases/enaml.rst
index a0c50024..71aeb703 100644
--- a/docs/source/use_cases/enaml.rst
+++ b/docs/source/use_cases/enaml.rst
@@ -59,7 +59,7 @@ quite painful to write by hand.
 
 To make constraints definition easier, Enaml relies on helpers function and
 classes. In the following, we will focus on how horizontal and vertical boxes
-constraints are handled, by studing the following example in details:
+constraints are handled, by studying the following example in details:
 
 .. image:: enaml_hbox.svg