Typo in a variable name

dotfiles/git-universe/bin/findcat

@@ -2,5 +2,5 @@
 
 NAME=$1
 cat .git_$NAME 2>/dev/null \
-    || cat .git/universe/$N 2>/dev/null \
+    || cat .git/universe/$NAME 2>/dev/null \
     || cat ~/.git-universe/default/$NAME 2>/dev/null