diff --git a/toolkit/components/crashes/CrashManager.in.sys.mjs b/toolkit/components/crashes/CrashManager.in.sys.mjs
index 41b62201cfc3..253f70d07edf 100644
--- a/toolkit/components/crashes/CrashManager.in.sys.mjs
+++ b/toolkit/components/crashes/CrashManager.in.sys.mjs
@@ -674,7 +674,7 @@ CrashManager.prototype = Object.freeze({
 
     for (let line in annotations) {
       try {
-        if (Services.appinfo.isAnnotationAllowlistedForPing(line)) {
+        if (Services.appinfo.isAnnotationAllowedForPing(line)) {
           filteredAnnotations[line] = annotations[line];
         }
       } catch (e) {
diff --git a/toolkit/components/crashes/tests/xpcshell/test_crash_manager.js b/toolkit/components/crashes/tests/xpcshell/test_crash_manager.js
index e03b90d62a32..2f77ea51053b 100644
--- a/toolkit/components/crashes/tests/xpcshell/test_crash_manager.js
+++ b/toolkit/components/crashes/tests/xpcshell/test_crash_manager.js
@@ -330,7 +330,7 @@ add_task(async function test_main_crash_event_file() {
   Assert.equal(
     found.payload.metadata.ThisShouldNot,
     undefined,
-    "Non-allowlisted fields should be filtered out"
+    "Non-allowed fields should be filtered out"
   );
 
   count = await m.aggregateEventsFiles();
@@ -757,17 +757,17 @@ add_task(async function test_child_process_crash_ping() {
     Assert.equal(
       found.payload.metadata.ThisShouldNot,
       undefined,
-      "Non-allowlisted fields should be filtered out"
+      "Non-allowed fields should be filtered out"
     );
     Assert.equal(
       found.payload.metadata.RemoteType,
       remoteType,
-      "RemoteType should be allowlisted for content crashes"
+      "RemoteType should be allowed for content crashes"
     );
     Assert.equal(
       found.payload.metadata.ipc_channel_error,
       "ShutDownKill",
-      "ipc_channel_error should be allowlisted for content crashes"
+      "ipc_channel_error should be allowed for content crashes"
     );
   }
 
diff --git a/toolkit/crashreporter/CrashAnnotations.cpp b/toolkit/crashreporter/CrashAnnotations.cpp
index 54c3ad16105a..65f672a23fa0 100644
--- a/toolkit/crashreporter/CrashAnnotations.cpp
+++ b/toolkit/crashreporter/CrashAnnotations.cpp
@@ -15,7 +15,7 @@ using std::find_if;
 namespace CrashReporter {
 
 bool AnnotationFromString(Annotation& aResult, const char* aValue) {
-  auto elem = find_if(
+  const auto* elem = find_if(
       begin(kAnnotationStrings), end(kAnnotationStrings),
       [&aValue](const char* aString) { return strcmp(aString, aValue) == 0; });
 
@@ -27,12 +27,12 @@ bool AnnotationFromString(Annotation& aResult, const char* aValue) {
   return true;
 }
 
-bool IsAnnotationAllowlistedForPing(Annotation aAnnotation) {
-  auto elem = find_if(
-      begin(kCrashPingAllowlist), end(kCrashPingAllowlist),
+bool IsAnnotationAllowedForPing(Annotation aAnnotation) {
+  const auto* elem = find_if(
+      begin(kCrashPingAllowedList), end(kCrashPingAllowedList),
       [&aAnnotation](Annotation aElement) { return aElement == aAnnotation; });
 
-  return elem != end(kCrashPingAllowlist);
+  return elem != end(kCrashPingAllowedList);
 }
 
 }  // namespace CrashReporter
diff --git a/toolkit/crashreporter/CrashAnnotations.h.in b/toolkit/crashreporter/CrashAnnotations.h.in
index c87ad4a2eab6..8f53e9b54933 100644
--- a/toolkit/crashreporter/CrashAnnotations.h.in
+++ b/toolkit/crashreporter/CrashAnnotations.h.in
@@ -21,8 +21,8 @@ ${strings}
 };
 
 // Allowlist of crash annotations that can be included in a crash ping
-const Annotation kCrashPingAllowlist[] = {
-${allowlist}
+const Annotation kCrashPingAllowedList[] = {
+${allowedlist}
 };
 
 /**
@@ -46,14 +46,14 @@ static inline const char* AnnotationToString(Annotation aAnnotation) {
 bool AnnotationFromString(Annotation& aResult, const char* aValue);
 
 /**
- * Checks if the given crash annotation is allowlisted for inclusion in the
- * crash ping.
+ * Checks if the given crash annotation is allowed for inclusion in the crash
+ * ping.
  *
  * @param aAnnotation the crash annotation to be checked
  * @return true if the annotation can be included in the crash ping, false
  *         otherwise
  */
-bool IsAnnotationAllowlistedForPing(Annotation aAnnotation);
+bool IsAnnotationAllowedForPing(Annotation aAnnotation);
 
 /**
  * Abstract annotation writer, this is needed only for code that writes out
diff --git a/toolkit/crashreporter/CrashAnnotations.yaml b/toolkit/crashreporter/CrashAnnotations.yaml
index 3734780d45fa..79964e9b8b02 100644
--- a/toolkit/crashreporter/CrashAnnotations.yaml
+++ b/toolkit/crashreporter/CrashAnnotations.yaml
@@ -8,8 +8,8 @@
 # Additionally a field can have the following optional fields:
 # - altname: A string that will be used when writing out the annotation to the
 #   .extra file instead of the annotation name
-# - ping: A boolean that indicates whether the annotation is allowlisted for
-#   going into the crash ping, if not specified this defaults to false
+# - ping: A boolean that indicates whether the annotation is allowed for
+#   inclusion in the crash ping, if not specified this defaults to false
 
 AbortMessage:
   description: >
diff --git a/toolkit/crashreporter/client/ping.cpp b/toolkit/crashreporter/client/ping.cpp
index 72dc163de25c..b49211c9c158 100644
--- a/toolkit/crashreporter/client/ping.cpp
+++ b/toolkit/crashreporter/client/ping.cpp
@@ -124,7 +124,7 @@ static Json::Value CreateMetadataNode(const Json::Value& aExtra) {
     Annotation annotation;
 
     if (AnnotationFromString(annotation, iter.memberName())) {
-      if (IsAnnotationAllowlistedForPing(annotation)) {
+      if (IsAnnotationAllowedForPing(annotation)) {
         node[iter.memberName()] = *iter;
       }
     }
diff --git a/toolkit/crashreporter/generate_crash_reporter_sources.py b/toolkit/crashreporter/generate_crash_reporter_sources.py
index beefa2e2741b..19541f9ef748 100644
--- a/toolkit/crashreporter/generate_crash_reporter_sources.py
+++ b/toolkit/crashreporter/generate_crash_reporter_sources.py
@@ -72,8 +72,8 @@ def read_template(template_filename):
     return template
 
 
-def extract_crash_ping_allowlist(annotations):
-    """Extract an array holding the names of the annotations allowlisted for
+def extract_crash_ping_allowedlist(annotations):
+    """Extract an array holding the names of the annotations allowed for
     inclusion in the crash ping."""
 
     return [
@@ -123,13 +123,13 @@ def generate_header(template, annotations):
     """Generate a header by filling the template with the the list of
     annotations and return it as a string."""
 
-    allowlist = extract_crash_ping_allowlist(annotations)
+    allowedlist = extract_crash_ping_allowedlist(annotations)
 
     return template_header + string.Template(template).substitute(
         {
             "enum": generate_enum(annotations),
             "strings": generate_strings(annotations),
-            "allowlist": generate_array_initializer(allowlist),
+            "allowedlist": generate_array_initializer(allowedlist),
         }
     )
 
@@ -168,11 +168,11 @@ def generate_java_array_initializer(contents):
 def generate_class(template, annotations):
     """Fill the class template from the list of annotations."""
 
-    allowlist = extract_crash_ping_allowlist(annotations)
+    allowedlist = extract_crash_ping_allowedlist(annotations)
 
     return template_header + string.Template(template).substitute(
         {
-            "allowlist": generate_java_array_initializer(allowlist),
+            "allowedlist": generate_java_array_initializer(allowedlist),
         }
     )
 
@@ -189,8 +189,8 @@ def emit_class(output, annotations_filename):
      * are kept in sync with the other C++ and JS users.
      */
     public class CrashReporterConstants {
-        public static final String[] ANNOTATION_ALLOWLIST = {
-    ${allowlist}
+        public static final String[] ANNOTATION_ALLOWEDLIST = {
+    ${allowedlist}
         };
     }"""
     )
diff --git a/toolkit/xre/nsAppRunner.cpp b/toolkit/xre/nsAppRunner.cpp
index baa30a602123..73e94c206b68 100644
--- a/toolkit/xre/nsAppRunner.cpp
+++ b/toolkit/xre/nsAppRunner.cpp
@@ -1837,15 +1837,15 @@ nsXULAppInfo::RemoveCrashReportAnnotation(const nsACString& key) {
 }
 
 NS_IMETHODIMP
-nsXULAppInfo::IsAnnotationAllowlistedForPing(const nsACString& aValue,
-                                             bool* aIsAllowlisted) {
+nsXULAppInfo::IsAnnotationAllowedForPing(const nsACString& aValue,
+                                         bool* aIsAllowed) {
   CrashReporter::Annotation annotation;
 
   if (!AnnotationFromString(annotation, PromiseFlatCString(aValue).get())) {
     return NS_ERROR_INVALID_ARG;
   }
 
-  *aIsAllowlisted = CrashReporter::IsAnnotationAllowlistedForPing(annotation);
+  *aIsAllowed = CrashReporter::IsAnnotationAllowedForPing(annotation);
 
   return NS_OK;
 }
diff --git a/xpcom/system/nsICrashReporter.idl b/xpcom/system/nsICrashReporter.idl
index 0bcb6dcb49c0..6fd0967e752d 100644
--- a/xpcom/system/nsICrashReporter.idl
+++ b/xpcom/system/nsICrashReporter.idl
@@ -99,7 +99,7 @@ interface nsICrashReporter : nsISupports
   void removeCrashReportAnnotation(in AUTF8String key);
 
   /**
-   * Checks if an annotation is allowlisted for inclusion in the crash ping.
+   * Checks if an annotation is allowed for inclusion in the crash ping.
    *
    * @param key
    *        Name of a known crash annotation constant.
@@ -108,7 +108,7 @@ interface nsICrashReporter : nsISupports
              included in the crash ping, false otherwise.
    * @throw NS_ERROR_INVALID_ARG if key contains an invalid value.
    */
-  boolean isAnnotationAllowlistedForPing(in ACString value);
+  boolean isAnnotationAllowedForPing(in ACString value);
 
   /**
    * Append some data to the "Notes" field, to be submitted with a crash report.