fix numbering of ordered lists in Markdown

googlemock/docs/cheat_sheet.md

@@ -581,10 +581,10 @@ which must be a permanent callback.
 **Notes:**
 
 1.  The `MATCHER*` macros cannot be used inside a function or class.
-1.  The matcher body must be *purely functional* (i.e. it cannot have any side
+2.  The matcher body must be *purely functional* (i.e. it cannot have any side
     effect, and the result must not depend on anything other than the value
     being matched and the matcher parameters).
-1.  You can use `PrintToString(x)` to convert a value `x` of any type to a
+3.  You can use `PrintToString(x)` to convert a value `x` of any type to a
     string.
 
 ## Matchers as Test Assertions