Fixed typo in install.txt
Fixed typo in install.txt

git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@78 bcc190cf-cafb-0310-a4f2-bffc1f526a37

FlaPer87/django-nonrel,bfirsh/django-old,t11e/django,sam-tsai/django-old,aparo/django-nonrel,hugs/django,django-nonrel/django-nonrel,rawwell/django,Smarsh/django,disqus/django-old,bfirsh/django-old,jamespacileo/django-france,Instagram/django,dcramer/django-compositepks,skevy/django,mitsuhiko/django,alex/django-old,sam-tsai/django-old,FlaPer87/django-nonrel,django-nonrel/django-nonrel,t11e/django,mitsuhiko/django,skevy/django,skevy/django,rawwell/django,Smarsh/django,mitsuhiko/django,t11e/django,Smarsh/django,Instagram/django,aparo/django-nonrel,disqus/django-old,sam-tsai/django-old,jamespacileo/django-france,Instagram/django,hugs/django,hugs/django,sam-tsai/django-old,bfirsh/django-old,alex/django-old,aparo/django-nonrel,jamespacileo/django-france,dcramer/django-compositepks,alex/django-old,disqus/django-old,FlaPer87/django-nonrel,rawwell/django,dcramer/django-compositepks,django-nonrel/django-nonrel,Smarsh/django