spelling: without

Signed-off-by: Josh Soref <[email protected]>

Author: jsoref

doc/install_and_upgrade.md

@@ -94,7 +94,7 @@ GitHub repository.
 
         === "Gentoo"
 
-            Ensure you have the `ncurses` package with `USE=tinfo`. Wwithout it,
+            Ensure you have the `ncurses` package with `USE=tinfo`. Without it,
             Stack will not be able to install GHC.
 
         === "Ubuntu"