diff --git a/docs/export-demo.xml b/docs/export-demo.xml
index 93b237ffc66..2e2e4590383 100644
--- a/docs/export-demo.xml
+++ b/docs/export-demo.xml
@@ -27,7 +27,7 @@
       <namespace key="2" case="first-letter">User</namespace>
       <namespace key="3" case="first-letter">User talk</namespace>
       <namespace key="4" case="first-letter">DemoWiki</namespace>
-      <namespace key="5" case="first-letter">DemoWIki talk</namespace>
+      <namespace key="5" case="first-letter">DemoWiki talk</namespace>
       <namespace key="6" case="first-letter">File</namespace>
       <namespace key="7" case="first-letter">File talk</namespace>
       <namespace key="8" case="first-letter">MediaWiki</namespace>
diff --git a/includes/specials/SpecialImport.php b/includes/specials/SpecialImport.php
index 5a6bbc4dfad..3ef64f881f3 100644
--- a/includes/specials/SpecialImport.php
+++ b/includes/specials/SpecialImport.php
@@ -79,7 +79,7 @@ class SpecialImport extends SpecialPage {
 		}
 
 		# @todo Allow Title::getUserPermissionsErrors() to take an array
-		# @todo FIXME: Title::checkSpecialsAndNSPermissions() has a very wierd expectation of what
+		# @todo FIXME: Title::checkSpecialsAndNSPermissions() has a very weird expectation of what
 		# getUserPermissionsErrors() might actually be used for, hence the 'ns-specialprotected'
 		$errors = wfMergeErrorArrays(
 			$this->getPageTitle()->getUserPermissionsErrors(
diff --git a/resources/lib/jquery.client/jquery.client.js b/resources/lib/jquery.client/jquery.client.js
index 8257d85bc75..bcd9c5cdf98 100644
--- a/resources/lib/jquery.client/jquery.client.js
+++ b/resources/lib/jquery.client/jquery.client.js
@@ -93,7 +93,7 @@
 					'camino', 'chrome', 'firefox', 'iceweasel', 'netscape', 'konqueror', 'lynx', 'msie', 'opera',
 					'safari', 'ipod', 'iphone', 'blackberry', 'ps3', 'rekonq', 'android'
 				],
-				// Tanslations for conforming browser names
+				// Translations for conforming browser names
 				nameTranslations = [],
 				// Names of known layout engines
 				layouts = ['gecko', 'konqueror', 'msie', 'trident', 'edge', 'opera', 'webkit'],