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

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

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     * The comparison operator compOp can be one of 
        * '''==, <nop>!=, >, >=, <, or <=''' for '''numerical''' comparisons. '''Note that if these operators are used on non-numeric data, a runtime error will be thrown'''.
        * '''eq, neq, gt, gte, lt, or lte''' for string comparisons
-       * '''matches''' for regular expression matching, e.g., $0 matches "*apache*". The [http://java.sun.com/j2se/1.5.0/docs/api/java/util/regex/Pattern.html format] of regular expressions is that supported by Java.
+       * '''matches''' for regular expression matching, e.g., $0 matches '.*apache.*'. The [http://java.sun.com/j2se/1.5.0/docs/api/java/util/regex/Pattern.html format] of regular expressions is that supported by Java.
  
  Thus, a somewhat more complicated condition can be
  {{{