diff --git a/browser/src/ConstraintTable/MitochondrialConstraintTable.tsx b/browser/src/ConstraintTable/MitochondrialConstraintTable.tsx
index 0c35d8ee7..806740038 100644
--- a/browser/src/ConstraintTable/MitochondrialConstraintTable.tsx
+++ b/browser/src/ConstraintTable/MitochondrialConstraintTable.tsx
@@ -121,7 +121,7 @@ const MitochondrialConstraintTable = ({
           <th scope="col">Category</th>
           <th scope="col">Expected SNVs</th>
           <th scope="col">Observed SNVs</th>
-          <th scope="col">Constraint metric</th>
+          <th scope="col">Observed/Expected</th>
         </tr>
       </thead>
       {isProteinMitochondrialGeneConstraint(constraint) ? (
diff --git a/browser/src/ConstraintTable/__snapshots__/ConstraintTable.spec.tsx.snap b/browser/src/ConstraintTable/__snapshots__/ConstraintTable.spec.tsx.snap
index 2480452d7..30f63de6c 100644
--- a/browser/src/ConstraintTable/__snapshots__/ConstraintTable.spec.tsx.snap
+++ b/browser/src/ConstraintTable/__snapshots__/ConstraintTable.spec.tsx.snap
@@ -164,7 +164,7 @@ exports[`ConstraintTable with "exac" dataset selected with a mitochondrial RNA g
       <th
         scope="col"
       >
-        Constraint metric
+        Observed/Expected
       </th>
     </tr>
   </thead>
@@ -218,7 +218,7 @@ exports[`ConstraintTable with "exac" dataset selected with a mitochondrial prote
       <th
         scope="col"
       >
-        Constraint metric
+        Observed/Expected
       </th>
     </tr>
   </thead>
@@ -1081,7 +1081,7 @@ exports[`ConstraintTable with "gnomad_cnv_r4" dataset selected with a mitochondr
       <th
         scope="col"
       >
-        Constraint metric
+        Observed/Expected
       </th>
     </tr>
   </thead>
@@ -1135,7 +1135,7 @@ exports[`ConstraintTable with "gnomad_cnv_r4" dataset selected with a mitochondr
       <th
         scope="col"
       >
-        Constraint metric
+        Observed/Expected
       </th>
     </tr>
   </thead>
@@ -1998,7 +1998,7 @@ exports[`ConstraintTable with "gnomad_r2_1" dataset selected with a mitochondria
       <th
         scope="col"
       >
-        Constraint metric
+        Observed/Expected
       </th>
     </tr>
   </thead>
@@ -2052,7 +2052,7 @@ exports[`ConstraintTable with "gnomad_r2_1" dataset selected with a mitochondria
       <th
         scope="col"
       >
-        Constraint metric
+        Observed/Expected
       </th>
     </tr>
   </thead>
@@ -2923,7 +2923,7 @@ exports[`ConstraintTable with "gnomad_r2_1_controls" dataset selected with a mit
       <th
         scope="col"
       >
-        Constraint metric
+        Observed/Expected
       </th>
     </tr>
   </thead>
@@ -2977,7 +2977,7 @@ exports[`ConstraintTable with "gnomad_r2_1_controls" dataset selected with a mit
       <th
         scope="col"
       >
-        Constraint metric
+        Observed/Expected
       </th>
     </tr>
   </thead>
@@ -3848,7 +3848,7 @@ exports[`ConstraintTable with "gnomad_r2_1_non_cancer" dataset selected with a m
       <th
         scope="col"
       >
-        Constraint metric
+        Observed/Expected
       </th>
     </tr>
   </thead>
@@ -3902,7 +3902,7 @@ exports[`ConstraintTable with "gnomad_r2_1_non_cancer" dataset selected with a m
       <th
         scope="col"
       >
-        Constraint metric
+        Observed/Expected
       </th>
     </tr>
   </thead>
@@ -4773,7 +4773,7 @@ exports[`ConstraintTable with "gnomad_r2_1_non_neuro" dataset selected with a mi
       <th
         scope="col"
       >
-        Constraint metric
+        Observed/Expected
       </th>
     </tr>
   </thead>
@@ -4827,7 +4827,7 @@ exports[`ConstraintTable with "gnomad_r2_1_non_neuro" dataset selected with a mi
       <th
         scope="col"
       >
-        Constraint metric
+        Observed/Expected
       </th>
     </tr>
   </thead>
@@ -5698,7 +5698,7 @@ exports[`ConstraintTable with "gnomad_r2_1_non_topmed" dataset selected with a m
       <th
         scope="col"
       >
-        Constraint metric
+        Observed/Expected
       </th>
     </tr>
   </thead>
@@ -5752,7 +5752,7 @@ exports[`ConstraintTable with "gnomad_r2_1_non_topmed" dataset selected with a m
       <th
         scope="col"
       >
-        Constraint metric
+        Observed/Expected
       </th>
     </tr>
   </thead>
@@ -6951,7 +6951,7 @@ exports[`ConstraintTable with "gnomad_r4" dataset selected with a mitochondrial
       <th
         scope="col"
       >
-        Constraint metric
+        Observed/Expected
       </th>
     </tr>
   </thead>
@@ -7005,7 +7005,7 @@ exports[`ConstraintTable with "gnomad_r4" dataset selected with a mitochondrial
       <th
         scope="col"
       >
-        Constraint metric
+        Observed/Expected
       </th>
     </tr>
   </thead>
@@ -7868,7 +7868,7 @@ exports[`ConstraintTable with "gnomad_r4_non_ukb" dataset selected with a mitoch
       <th
         scope="col"
       >
-        Constraint metric
+        Observed/Expected
       </th>
     </tr>
   </thead>
@@ -7922,7 +7922,7 @@ exports[`ConstraintTable with "gnomad_r4_non_ukb" dataset selected with a mitoch
       <th
         scope="col"
       >
-        Constraint metric
+        Observed/Expected
       </th>
     </tr>
   </thead>
@@ -8785,7 +8785,7 @@ exports[`ConstraintTable with "gnomad_sv_r2_1" dataset selected with a mitochond
       <th
         scope="col"
       >
-        Constraint metric
+        Observed/Expected
       </th>
     </tr>
   </thead>
@@ -8839,7 +8839,7 @@ exports[`ConstraintTable with "gnomad_sv_r2_1" dataset selected with a mitochond
       <th
         scope="col"
       >
-        Constraint metric
+        Observed/Expected
       </th>
     </tr>
   </thead>
@@ -9710,7 +9710,7 @@ exports[`ConstraintTable with "gnomad_sv_r2_1_controls" dataset selected with a
       <th
         scope="col"
       >
-        Constraint metric
+        Observed/Expected
       </th>
     </tr>
   </thead>
@@ -9764,7 +9764,7 @@ exports[`ConstraintTable with "gnomad_sv_r2_1_controls" dataset selected with a
       <th
         scope="col"
       >
-        Constraint metric
+        Observed/Expected
       </th>
     </tr>
   </thead>
@@ -10635,7 +10635,7 @@ exports[`ConstraintTable with "gnomad_sv_r2_1_non_neuro" dataset selected with a
       <th
         scope="col"
       >
-        Constraint metric
+        Observed/Expected
       </th>
     </tr>
   </thead>
@@ -10689,7 +10689,7 @@ exports[`ConstraintTable with "gnomad_sv_r2_1_non_neuro" dataset selected with a
       <th
         scope="col"
       >
-        Constraint metric
+        Observed/Expected
       </th>
     </tr>
   </thead>
@@ -11552,7 +11552,7 @@ exports[`ConstraintTable with "gnomad_sv_r4" dataset selected with a mitochondri
       <th
         scope="col"
       >
-        Constraint metric
+        Observed/Expected
       </th>
     </tr>
   </thead>
@@ -11606,7 +11606,7 @@ exports[`ConstraintTable with "gnomad_sv_r4" dataset selected with a mitochondri
       <th
         scope="col"
       >
-        Constraint metric
+        Observed/Expected
       </th>
     </tr>
   </thead>