[Pig Wiki] Trivial Update of "UDFManual" by CorinneC

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The following page has been changed by CorinneC:
http://wiki.apache.org/pig/UDFManual

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- = User Defined Function Guide =
+ = User-Defined Function Manual =
  
- Pig provides extensive support for user defined functions (UDFs) as a way to specify custom processing. Functions can be a part of almost every operator in Pig. This document describes how to use existing functions as well as how to write your own functions. 
+ Pig provides extensive support for user-defined functions (UDFs) as a way to specify custom processing. Functions can be a part of almost every operator in Pig. This document describes how to use existing functions as well as how to write your own functions. 
  
  [[Anchor(Eval_Functions)]]
  == Eval Functions ==
@@ -601, +601 @@

  [[Anchor(Load/Store_Functions)]]
  == Load/Store Functions ==
  
- These user defined functions control how data goes into Pig and comes out of Pig. Often, the same function handles both input and output but that does not have to be the case.
+ These user-defined functions control how data goes into Pig and comes out of Pig. Often, the same function handles both input and output but that does not have to be the case.
  
  [[Anchor(Load_Functions)]]
  === Load Functions ===