diff --git a/README.md b/README.md
index eff4a66..a4bfc12 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ the GitHub interface:
 
 - first, log in to your GitHub account.
 - go to the issue page: https://github.com/neurospin/ciel/issues.
-- click the "New issue" buttton.
+- click the "New issue" button.
 - fill out the appropriate template.
 
 If you want to contribute more deeply:
@@ -31,7 +31,7 @@ If you want to contribute more deeply:
 You have to customize the following parameters in `_config.yml`:
 
 - title: the name of your team.
-- subtitle: the runing title.
+- subtitle: the running title.
 - email: the contact email.
 - short_desc: the title of the banner in the index page.
 - long_desc: the content of the banner in the index page.
diff --git a/collaborators.md b/collaborators.md
index 56c50a5..ab13f7a 100644
--- a/collaborators.md
+++ b/collaborators.md
@@ -4,7 +4,7 @@ title:
 permalink: /collaborators/
 ---
 
-The {{site.title}} team has developped numerous collaborations with colleagues
+The {{site.title}} team has developed numerous collaborations with colleagues
 in different institutions & companies.