Fix capitalization and spacing of comments

Global/Vim.gitignore

@@ -1,12 +1,14 @@
-# swap
+# Swap
 [._]*.s[a-v][a-z]
 [._]*.sw[a-p]
 [._]s[a-v][a-z]
 [._]sw[a-p]
-# session
+
+# Session
 Session.vim
-# temporary
+
+# Temporary
 .netrwhist
 *~
-# auto-generated tag files
+# Auto-generated tag files
 tags