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-rw-r--r--doc/src/sgml/brin.sgml2
-rw-r--r--doc/src/sgml/gin.sgml4
-rw-r--r--doc/src/sgml/spgist.sgml2
3 files changed, 4 insertions, 4 deletions
diff --git a/doc/src/sgml/brin.sgml b/doc/src/sgml/brin.sgml
index 4c5eeb875f4..55b6272db62 100644
--- a/doc/src/sgml/brin.sgml
+++ b/doc/src/sgml/brin.sgml
@@ -585,7 +585,7 @@ typedef struct BrinOpcInfo
<para>
Since both key extraction of indexed values and representation of the
- key in <acronym>GIN</acronym> are flexible, they may depend on
+ key in <acronym>BRIN</acronym> are flexible, they may depend on
user-specified parameters.
</para>
</listitem>
diff --git a/doc/src/sgml/gin.sgml b/doc/src/sgml/gin.sgml
index 7a8c18a4495..07114f77199 100644
--- a/doc/src/sgml/gin.sgml
+++ b/doc/src/sgml/gin.sgml
@@ -379,7 +379,7 @@
</para>
<para>
- Optionally, an operator class for <acronym>GIN</acronym> can supply the
+ An operator class for <acronym>GIN</acronym> can optionally supply the
following methods:
<variablelist>
@@ -406,7 +406,7 @@
<term><function>void options(local_relopts *relopts)</function></term>
<listitem>
<para>
- Defines set of user-visible parameters that control operator class
+ Defines a set of user-visible parameters that control operator class
behavior.
</para>
diff --git a/doc/src/sgml/spgist.sgml b/doc/src/sgml/spgist.sgml
index d9ecfe74ed1..5d6e893d491 100644
--- a/doc/src/sgml/spgist.sgml
+++ b/doc/src/sgml/spgist.sgml
@@ -881,7 +881,7 @@ typedef struct spgLeafConsistentOut
<term><function>options</function></term>
<listitem>
<para>
- Defines set of user-visible parameters that control operator class
+ Defines a set of user-visible parameters that control operator class
behavior.
</para>