diff --git a/packages/components/src/internal/components/domainproperties/AdvancedSettings.tsx b/packages/components/src/internal/components/domainproperties/AdvancedSettings.tsx
index e6329ad068..48ca9f30f7 100644
--- a/packages/components/src/internal/components/domainproperties/AdvancedSettings.tsx
+++ b/packages/components/src/internal/components/domainproperties/AdvancedSettings.tsx
@@ -243,7 +243,7 @@ export class AdvancedSettings extends React.PureComponent<AdvancedSettingsProps,
     showDefaultValues = () => {
         const { field, showDefaultValueSettings } = this.props;
 
-        // GitHub Issue #783: we don't yet support default values in the App
+        // GitHub Issue #298: we don't yet support default values in the App
         if (isApp()) return false;
 
         // some domains just don't support default values
diff --git a/packages/components/src/internal/components/domainproperties/models.test.ts b/packages/components/src/internal/components/domainproperties/models.test.ts
index 349ccd495a..e1aac10ff1 100644
--- a/packages/components/src/internal/components/domainproperties/models.test.ts
+++ b/packages/components/src/internal/components/domainproperties/models.test.ts
@@ -1458,7 +1458,7 @@ describe('resolveBaseProperties', () => {
         expect(field.rangeURI).toBe(SAMPLE_TYPE.rangeURI);
         expect(field.required).toBe(true);
 
-        // GitHub Issue 787
+        // GitHub Issue #656
         field = DomainField.resolveBaseProperties({ name: 'SampleId', required: false });
         expect(field.dataType).toBe(SAMPLE_TYPE);
         expect(field.conceptURI).toBe(SAMPLE_TYPE.conceptURI);
diff --git a/packages/components/src/internal/components/domainproperties/models.tsx b/packages/components/src/internal/components/domainproperties/models.tsx
index 901b6b9260..1a3a4ef5bc 100644
--- a/packages/components/src/internal/components/domainproperties/models.tsx
+++ b/packages/components/src/internal/components/domainproperties/models.tsx
@@ -1181,7 +1181,7 @@ export class DomainField
                 field.dataType = SAMPLE_TYPE;
                 field.conceptURI = SAMPLE_TYPE.conceptURI;
                 field.rangeURI = SAMPLE_TYPE.rangeURI;
-                field.required = !!(raw.required ?? true); // GitHub Issue 787
+                field.required = !!(raw.required ?? true); // GitHub Issue #656
             }
         }
 
diff --git a/packages/components/src/internal/components/samples/actions.ts b/packages/components/src/internal/components/samples/actions.ts
index 3b657e1f19..2d12c4eb63 100644
--- a/packages/components/src/internal/components/samples/actions.ts
+++ b/packages/components/src/internal/components/samples/actions.ts
@@ -378,7 +378,7 @@ export function createSessionAssayRunSummaryQuery(sampleIds: number[]): Promise<
         assayRunsQuery = 'AssayRunsPerSampleChildFolder';
     }
 
-    // GitHub Issue 748: need to account for the case with no sampleIds
+    // GitHub Issue #643: need to account for the case with no sampleIds
     let whereClause = 'WHERE RowId IN (' + sampleIds.join(',') + ')\n';
     if (sampleIds.length === 0) {
         whereClause = 'WHERE 1 = 0\n'; // add where clause that will always result in zero rows