Merge pull request #193 from broder/min-typo

Fix typo in documentation for min function

glossary/min/README.md

@@ -16,7 +16,7 @@ vec4 min(vec4 x, float y)
 ### Parameters
 ```x``` specify the first value to compare.
 
-```y``` pecify the second value to compare.
+```y``` specify the second value to compare.
 
 ### Description
 ```min()``` returns the minimum of the two parameters. It returns ```y``` if ```y``` is less than ```x```, otherwise it returns ```x```.