diff --git a/a11y-meta-display-guide/2.1/draft/techniques/onix-metadata/index.html b/a11y-meta-display-guide/2.1/draft/techniques/onix-metadata/index.html
index 39447801..4043f550 100644
--- a/a11y-meta-display-guide/2.1/draft/techniques/onix-metadata/index.html
+++ b/a11y-meta-display-guide/2.1/draft/techniques/onix-metadata/index.html
@@ -804,7 +804,7 @@ <h4 id="rich-content-instructions">Instructions</h4>
 						<span><b>THEN</b> display <code id="rich-content-transcript">"Transcript(s) provided"</code>.</span>
 					</li>
 					<li>
-						<span><b>IF</b> <b>NOT</b> (<var>math_formula_as_mathml</var> <b>OR</b> <var>math_formula_as_latex</var> <b>OR</b> (<var>contains_math_formula</var> <b>AND</b> <var>short_textual_alternative_images</var>) <b>OR</b> <var>chemical_formula_as_mathml</var> <b>OR</b> <var>charts_diagrams_as_non_graphical_data</var> <b>OR</b> <var>full_alternative_textual_descriptions</var> <b>OR</b> <var>closed_captions</var> <b>OR</b> <var>open_captions</var> <b>OR</b> <var>transcript</var>):</span>
+						<span><b>IF</b> <b>NOT</b> (<var>math_formula_as_mathml</var> <b>OR</b> <var>math_formula_as_latex</var> <b>OR</b> <var>described_math</var> <b>OR</b> <var>chemical_formula_as_mathml</var> <b>OR</b> <var>chemical_formula_as_latex</var> <b>OR</b> <var>charts_diagrams_as_non_graphical_data</var> <b>OR</b> <var>full_alternative_textual_descriptions</var> <b>OR</b> <var>closed_captions</var> <b>OR</b> <var>open_captions</var> <b>OR</b> <var>transcript</var>):</span>
 						<span><b>THEN</b> either omit this display field if metadata is missing or display <code id="rich-content-unknown">"No information is available"</code>.</span>
 					</li>
 				</ol>
@@ -920,7 +920,7 @@ <h4 id="hazards-instructions">Instructions</h4>
 								<span><b>THEN</b> display <code id="hazards-flashing-unknown">"Flashing hazards not known"</code>.</span>
 							</li>
 							<li>
-								<span><b>IF</b> <var>unknown_motion_simulation_hazard</var>:</span>
+								<span><b>IF</b> <var>unknown_motion_hazard</var>:</span>
 								<span><b>THEN</b> display <code id="hazards-motion-unknown">"Motion simulation hazards not known"</code>.</span>
 							</li>
 							<li>
@@ -932,7 +932,7 @@ <h4 id="hazards-instructions">Instructions</h4>
 								<span><b>THEN</b> display <code id="hazards-flashing-none">"No flashing hazards"</code>.</span>
 							</li>
 							<li>
-								<span><b>IF</b> <var>no_motion_simulation_hazard</var>:</span>
+								<span><b>IF</b> <var>no_motion_hazard</var>:</span>
 								<span><b>THEN</b> display <code id="hazards-motion-none">"No motion simulation hazards"</code>.</span>
 							</li>
 							<li>