diff --git a/packages/compiler/src/assertions.ts b/packages/compiler/src/assertions.ts
index 2b3736e0e1..bb6a657bac 100644
--- a/packages/compiler/src/assertions.ts
+++ b/packages/compiler/src/assertions.ts
@@ -20,7 +20,7 @@ export function assertArrayOfStrings(identifier: string, value: any) {
   }
 }
 
-const INTERPOLATION_BLACKLIST_REGEXPS = [
+const UNUSABLE_INTERPOLATION_REGEXPS = [
   /^\s*$/,        // empty
   /[<>]/,         // html tag
   /^[{}]$/,       // i18n expansion
@@ -34,8 +34,8 @@ export function assertInterpolationSymbols(identifier: string, value: any): void
   } else if (value != null) {
     const start = value[0] as string;
     const end = value[1] as string;
-    // black list checking
-    INTERPOLATION_BLACKLIST_REGEXPS.forEach(regexp => {
+    // Check for unusable interpolation symbols
+    UNUSABLE_INTERPOLATION_REGEXPS.forEach(regexp => {
       if (regexp.test(start) || regexp.test(end)) {
         throw new Error(`['${start}', '${end}'] contains unusable interpolation symbol.`);
       }