diff --git a/reference/oci8/constants.xml b/reference/oci8/constants.xml
index e331b5163b..0a021d93b5 100644
--- a/reference/oci8/constants.xml
+++ b/reference/oci8/constants.xml
@@ -41,7 +41,7 @@
          <entry>OCI_CRED_EXT</entry>
          <entry>
            Used with <function>oci_connect</function> for using
-           Oracles' External or OS authentication.  Introducted in PHP
+           Oracles' External or OS authentication.  Introduced in PHP
            5.3 and PECL OCI8 1.3.4.
          </entry>
        </row>
@@ -71,9 +71,9 @@
            Obsolete. Statement fetch mode. Used when the application
            knows in advance exactly how many rows it will be fetching.
            This mode turns prefetching off for Oracle release 8 or
-           later mode. Cursor is cancelled after the desired rows are
-           fetched and may result in reduced server-side resource
-           usage.
+           later mode. The cursor is canceled after the desired rows
+           are fetched which may result in reduced server-side
+           resource usage.
          </entry>
        </row>
        <row>
@@ -102,7 +102,7 @@
            for <function>oci_execute</function>. The statement is not
            committed automatically when using this mode.  For
            readability in new code, use this value instead of the
-           obsoete <constant>OCI_DEFAULT</constant> constant.
+           obsolete <constant>OCI_DEFAULT</constant> constant.
            Introduced in PHP 5.3.2 (PECL OCI8 1.4).
          </entry>
        </row>