doc: Fix typo

From: Alexander Law 

diff --git a/doc/src/sgml/gin.sgml b/doc/src/sgml/gin.sgml
index 9ffa8be7bc30ad90f0f5f1dc4ae542234dc8cc57..1ce2a54ee6fbbd388c6b8165816877d00264402a 100644 (file)
--- a/doc/src/sgml/gin.sgml
+++ b/doc/src/sgml/gin.sgml
@@ -179,7 +179,7 @@
        extractQuery to pass additional data to the
        consistent and comparePartial methods.
        To use it, extractQuery must allocate
-       an array of *nkeys Pointers and store its address at
+       an array of *nkeys pointers and store its address at
        *extra_data, then store whatever it wants to into the
        individual pointers.  The variable is initialized to NULL before
        call, so this argument can simply be ignored by operator classes that