Update cheatsheets

tldr/git-sizer

@@ -3,19 +3,19 @@ syntax: markdown
 tags: [tldr, common]
 source: https://github.com/tldr-pages/tldr.git
 ---
-# git sizer
+# git-sizer
 
 > Computes various Git repository size metrics and alerts you to any that might cause problems or inconvenience.
 > More information: <https://github.com/github/git-sizer>.
 
 - Report only statistics that have a level of concern greater than 0:
 
-`git sizer`
+`git-sizer`
 
 - Report all statistics:
 
-`git sizer -v`
+`git-sizer -v`
 
 - See additional options:
 
-`git sizer -h`
+`git-sizer -h`