diff --git a/doc/orgguide.txt b/doc/orgguide.txt
index 2ea9cca..14f58d2 100644
--- a/doc/orgguide.txt
+++ b/doc/orgguide.txt
@@ -1272,7 +1272,7 @@ syntax highlighting and indentation~
 <
 
   Syntax Highlighting Examples~
-    Define an additionaly keyword 'WAITING' and set the foreground color to
+    Define an additionally keyword 'WAITING' and set the foreground color to
     'cyan'. Define another keyword 'CANCELED' and set the foreground color to
     red, background to black and the weight to normal, slant to italc and
     decoration to underline:
diff --git a/ftplugin/org.vim b/ftplugin/org.vim
index b62cba7..fbcee94 100644
--- a/ftplugin/org.vim
+++ b/ftplugin/org.vim
@@ -66,7 +66,7 @@ if ! exists('g:org_syntax_highlight_leading_stars') && ! exists('b:org_syntax_hi
 	let g:org_syntax_highlight_leading_stars = 1
 endif
 
-" setting to conceal aggresively
+" setting to conceal aggressively
 if ! exists('g:org_aggressive_conceal') && ! exists('b:org_aggressive_conceal')
 	let g:org_aggressive_conceal = 0
 endif
diff --git a/syntax/org.vim b/syntax/org.vim
index f295f8f..9311c9c 100644
--- a/syntax/org.vim
+++ b/syntax/org.vim
@@ -2,7 +2,7 @@
 " (we're adding two markdown-like variants for =code= and blockquotes)
 " -----------------------------------------------------------------------------
 "
-" Do we use aggresive conceal?
+" Do we use aggressive conceal?
 if exists("b:org_aggressive_conceal")
     let s:conceal_aggressively=b:org_aggressive_conceal
 elseif exists("g:org_aggressive_conceal")
diff --git a/tests/test_plugin_navigator.py b/tests/test_plugin_navigator.py
index 2eaceae..d93c4af 100644
--- a/tests/test_plugin_navigator.py
+++ b/tests/test_plugin_navigator.py
@@ -103,7 +103,7 @@ def test_forward_movement(self):
         self.navigator.next(mode=u'normal')
         self.assertEqual(vim.current.window.cursor, (18, 2))
 
-        ## don't move cursor if last heading is already focussed
+        ## don't move cursor if last heading is already focused
         vim.current.window.cursor = (19, 6)
         self.navigator.next(mode=u'normal')
         self.assertEqual(vim.current.window.cursor, (19, 6))