Improve wording.

diff --git a/doc/src/sgml/runtime.sgml b/doc/src/sgml/runtime.sgml
index 2cb9ad99f277b5365b389668bd373980d39d3c78..19cb38eb5956c036f404f85c9b3dc5f56553e6bd 100644 (file)
--- a/doc/src/sgml/runtime.sgml
+++ b/doc/src/sgml/runtime.sgml
@@ -1257,10 +1257,11 @@ Out of Memory: Killed process 12345 (postgres).
     On Linux 2.6 and later, an additional measure is to modify the
     kernel's behavior so that it will not <quote>overcommit</> memory.
     Although this setting will not prevent the OOM killer from
-    invoking altogether, it will lower the chances significantly and
+    being invoked altogether, it will lower the chances significantly and
     will therefore lead to more robust system behavior.  (It might also
-    cause fork() to fail when the machine appears to have available memory
-    because of other applications with careless memory allocation.) This
+    cause <function>fork()</> to fail when the machine appears to have
+       available memory but it is actually reserved
+    to other applications with careless memory allocation.) This
     is done by selecting strict overcommit mode via
     <command>sysctl</command>:
 <programlisting>