diff --git a/versioned_docs/version-4.1/apis/core/dml/index.md b/versioned_docs/version-4.1/apis/core/dml/index.md
index ee36872c3..d83e3efb2 100644
--- a/versioned_docs/version-4.1/apis/core/dml/index.md
+++ b/versioned_docs/version-4.1/apis/core/dml/index.md
@@ -95,7 +95,7 @@ $DB->get_record_sql(
 
 Some methods accept the <tt>$strictness</tt> parameter affecting the method behaviour. Supported modes are specified using the constants:
 
-- <tt>MUST_EXIST</tt> - In this mode, the requested record must exist and must be unique. An exception will be thrown if no record is found or multiple matching records are found.
+- <tt>MUST_EXIST</tt> - In this mode, the requested record must exist and must be unique. An exception `dml_missing_record_exception` will be thrown if no record is found or `dml_multiple_records_exception` if multiple matching records are found.
 - <tt>IGNORE_MISSING</tt> - In this mode, a missing record is not an error. False boolean is returned if the requested record is not found. If more records are found, a debugging message is displayed.
 - <tt>IGNORE_MULTIPLE</tt> - This is not a recommended mode. The function will silently ignore multiple records found and will return just the first one of them.
 
@@ -648,7 +648,7 @@ try {
      // Assuming the both inserts work, we get to the following line.
      $transaction->allow_commit();
 
-} catch(Exception $e) {
+} catch (Exception $e) {
      $transaction->rollback($e);
 }
 ```
@@ -873,7 +873,7 @@ public function sql_compare_text(
 
 ```php title="Example"
 $comparedescription = $DB->sql_compare_text('description');
-$comparedescription = $DB->sql_compare_text(':description');
+$comparedescriptionplaceholder = $DB->sql_compare_text(':description');
 $todogroups = $DB->get_records_sql(
     "SELECT id FROM {group} WHERE {$comparedescription} = {$comparedescriptionplaceholder}",
     [
diff --git a/versioned_docs/version-4.3/apis/core/dml/index.md b/versioned_docs/version-4.3/apis/core/dml/index.md
index ee36872c3..d83e3efb2 100644
--- a/versioned_docs/version-4.3/apis/core/dml/index.md
+++ b/versioned_docs/version-4.3/apis/core/dml/index.md
@@ -95,7 +95,7 @@ $DB->get_record_sql(
 
 Some methods accept the <tt>$strictness</tt> parameter affecting the method behaviour. Supported modes are specified using the constants:
 
-- <tt>MUST_EXIST</tt> - In this mode, the requested record must exist and must be unique. An exception will be thrown if no record is found or multiple matching records are found.
+- <tt>MUST_EXIST</tt> - In this mode, the requested record must exist and must be unique. An exception `dml_missing_record_exception` will be thrown if no record is found or `dml_multiple_records_exception` if multiple matching records are found.
 - <tt>IGNORE_MISSING</tt> - In this mode, a missing record is not an error. False boolean is returned if the requested record is not found. If more records are found, a debugging message is displayed.
 - <tt>IGNORE_MULTIPLE</tt> - This is not a recommended mode. The function will silently ignore multiple records found and will return just the first one of them.
 
@@ -648,7 +648,7 @@ try {
      // Assuming the both inserts work, we get to the following line.
      $transaction->allow_commit();
 
-} catch(Exception $e) {
+} catch (Exception $e) {
      $transaction->rollback($e);
 }
 ```
@@ -873,7 +873,7 @@ public function sql_compare_text(
 
 ```php title="Example"
 $comparedescription = $DB->sql_compare_text('description');
-$comparedescription = $DB->sql_compare_text(':description');
+$comparedescriptionplaceholder = $DB->sql_compare_text(':description');
 $todogroups = $DB->get_records_sql(
     "SELECT id FROM {group} WHERE {$comparedescription} = {$comparedescriptionplaceholder}",
     [
diff --git a/versioned_docs/version-4.4/apis/core/dml/index.md b/versioned_docs/version-4.4/apis/core/dml/index.md
index 3eda70b34..d83e3efb2 100644
--- a/versioned_docs/version-4.4/apis/core/dml/index.md
+++ b/versioned_docs/version-4.4/apis/core/dml/index.md
@@ -95,7 +95,7 @@ $DB->get_record_sql(
 
 Some methods accept the <tt>$strictness</tt> parameter affecting the method behaviour. Supported modes are specified using the constants:
 
-- <tt>MUST_EXIST</tt> - In this mode, the requested record must exist and must be unique. An exception will be thrown if no record is found or multiple matching records are found.
+- <tt>MUST_EXIST</tt> - In this mode, the requested record must exist and must be unique. An exception `dml_missing_record_exception` will be thrown if no record is found or `dml_multiple_records_exception` if multiple matching records are found.
 - <tt>IGNORE_MISSING</tt> - In this mode, a missing record is not an error. False boolean is returned if the requested record is not found. If more records are found, a debugging message is displayed.
 - <tt>IGNORE_MULTIPLE</tt> - This is not a recommended mode. The function will silently ignore multiple records found and will return just the first one of them.
 
@@ -648,7 +648,7 @@ try {
      // Assuming the both inserts work, we get to the following line.
      $transaction->allow_commit();
 
-} catch(Exception $e) {
+} catch (Exception $e) {
      $transaction->rollback($e);
 }
 ```
diff --git a/versioned_docs/version-4.5/apis/core/dml/index.md b/versioned_docs/version-4.5/apis/core/dml/index.md
index 5a48f866a..d83e3efb2 100644
--- a/versioned_docs/version-4.5/apis/core/dml/index.md
+++ b/versioned_docs/version-4.5/apis/core/dml/index.md
@@ -648,7 +648,7 @@ try {
      // Assuming the both inserts work, we get to the following line.
      $transaction->allow_commit();
 
-} catch(Exception $e) {
+} catch (Exception $e) {
      $transaction->rollback($e);
 }
 ```