diff --git a/docs/index.rst b/docs/index.rst
index 1dc8c317f..88c5dcb61 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -4,8 +4,8 @@
    contain the root `toctree` directive.
 
 
-Welcome to the Tezos Developper Documentation!
-==============================================
+Welcome to the Tezos Developer Documentation!
+=============================================
 
 Tezos is a distributed consensus platform with meta-consensus
 capability. Tezos not only comes to consensus about the state of its ledger,
diff --git a/docs/introduction/alphanet_changes.rst b/docs/introduction/alphanet_changes.rst
index 606b333f4..7f1f675df 100644
--- a/docs/introduction/alphanet_changes.rst
+++ b/docs/introduction/alphanet_changes.rst
@@ -73,7 +73,7 @@ Reset 2017-11-20
 - Refactor the economic protocol amendment code. Protocols are
    now compiled to functors, taking the type signature of their
    runtime environment as parameter. This simplifies the
-   dependencies, and will allow third party developpers to
+   dependencies, and will allow third party developers to
    instanciate economic protocols in other contexts than the node.
 
 - Switch from Makefiles to jbuilder, yay!
diff --git a/docs/whitedoc/the_big_picture.rst b/docs/whitedoc/the_big_picture.rst
index 8df173c59..3ef209cd9 100644
--- a/docs/whitedoc/the_big_picture.rst
+++ b/docs/whitedoc/the_big_picture.rst
@@ -8,7 +8,7 @@ readable by anyone, describes the main elements of Tezos from a
 distance. It abstracts from all plumbing and both internal and system
 dependencies to give a simple view of the main components, their
 responsibilities and interactions. The second part is written for
-developpers, and is at the level of OPAM packages.
+developers, and is at the level of OPAM packages.
 
 The Big Picture
 ---------------