3 files changed, 4 insertions, 4 deletions
diff --git a/doc/src/sgml/parallel.sgml b/doc/src/sgml/parallel.sgml
index afdb9faeff8..dc584049c4f 100644
--- a/doc/src/sgml/parallel.sgml
+++ b/doc/src/sgml/parallel.sgml
@@ -128,7 +128,7 @@ EXPLAIN SELECT * FROM pgbench_accounts WHERE filler LIKE '%x%';
 
   <para>
     In addition, the system must not be running in single-user mode.  Since
-    the entire database system is running in single process in this situation,
+    the entire database system is running as a single process in this situation,
     no background workers will be available.
   </para>
 
diff --git a/doc/src/sgml/ref/alter_table.sgml b/doc/src/sgml/ref/alter_table.sgml
index 2eced5d65b6..5710d461213 100644
--- a/doc/src/sgml/ref/alter_table.sgml
+++ b/doc/src/sgml/ref/alter_table.sgml
@@ -944,7 +944,7 @@ WITH ( MODULUS <replaceable class="parameter">numeric_literal</replaceable>, REM
       constraint. This does not work, however, if any of the partition keys
       is an expression and the partition does not accept
       <literal>NULL</literal> values. If attaching a list partition that will
-      not accept <literal>NULL</literal> values, also add
+      not accept <literal>NULL</literal> values, also add a
       <literal>NOT NULL</literal> constraint to the partition key column,
       unless it's an expression.
      </para>
diff --git a/doc/src/sgml/sources.sgml b/doc/src/sgml/sources.sgml
index 05445dd2d4e..15a8ade16f6 100644
--- a/doc/src/sgml/sources.sgml
+++ b/doc/src/sgml/sources.sgml
@@ -921,8 +921,8 @@ BETTER: unrecognized node type: 42
    <simplesect>
     <title>Function-Like Macros and Inline Functions</title>
     <para>
-     Both, macros with arguments and <literal>static inline</literal>
-     functions, may be used. The latter are preferable if there are
+     Both macros with arguments and <literal>static inline</literal>
+     functions may be used. The latter are preferable if there are
      multiple-evaluation hazards when written as a macro, as e.g., the
      case with
 <programlisting>