diff --git a/INSTALL.txt b/INSTALL.txt
index f8e7ef06ecd6565ee41143fe66dcd38c9b8664e7..c2fc9acad1173997b6a2e9e7abebc60d57b35e60 100644
--- a/INSTALL.txt
+++ b/INSTALL.txt
@@ -81,7 +81,7 @@ simulate random number generation. This is less secure, causes performance
 issues and warnings in the TYPO3 system log.
 
 TYPO3 relies on IPv6 support, which is by default enabled since PHP 5.3.
-Take care not to compile PHP 5.3 with the option "--disablr_ipv6", because
+Take care not to compile PHP 5.3 with the option "--disable-ipv6", because
 this will break the IPv6 support and the according unit tests.
 
 ===============================================================================
@@ -244,4 +244,4 @@ A:	You have to make sure that you keep your TYPO3-core and the extensions
 	  of these extensions are available and install them respectively.
 	* For further reading regarding securing TYPO3, please read the TYPO3 security
 	  cookbook and other resources. Please visit
-	  http://typo3.org/teams/security/resources/
\ No newline at end of file
+	  http://typo3.org/teams/security/resources/