ICU-21176 spoof checker: remove whitelist/blacklist metaphors from API docs
diff --git a/icu4c/source/i18n/unicode/uspoof.h b/icu4c/source/i18n/unicode/uspoof.h
index 63a1338..8a9826d 100644
--- a/icu4c/source/i18n/unicode/uspoof.h
+++ b/icu4c/source/i18n/unicode/uspoof.h
@@ -691,8 +691,10 @@
* Specify the bitmask of checks that will be performed by {@link uspoof_check}. Calling this method
* overwrites any checks that may have already been enabled. By default, all checks are enabled.
*
- * To enable specific checks and disable all others, the "whitelisted" checks should be ORed together. For
- * example, to fail strings containing characters outside of the set specified by {@link uspoof_setAllowedChars} and
+ * To enable specific checks and disable all others,
+ * OR together only the bit constants for the desired checks.
+ * For example, to fail strings containing characters outside of
+ * the set specified by {@link uspoof_setAllowedChars} and
* also strings that contain digits from mixed numbering systems:
*
* <pre>
@@ -701,8 +703,9 @@
* }
* </pre>
*
- * To disable specific checks and enable all others, the "blacklisted" checks should be ANDed away from
- * ALL_CHECKS. For example, if you are not planning to use the {@link uspoof_areConfusable} functionality,
+ * To disable specific checks and enable all others,
+ * start with ALL_CHECKS and "AND away" the not-desired checks.
+ * For example, if you are not planning to use the {@link uspoof_areConfusable} functionality,
* it is good practice to disable the CONFUSABLE check:
*
* <pre>
diff --git a/icu4j/main/classes/core/src/com/ibm/icu/text/SpoofChecker.java b/icu4j/main/classes/core/src/com/ibm/icu/text/SpoofChecker.java
index 5ea9e42..ba11c53 100644
--- a/icu4j/main/classes/core/src/com/ibm/icu/text/SpoofChecker.java
+++ b/icu4j/main/classes/core/src/com/ibm/icu/text/SpoofChecker.java
@@ -618,8 +618,10 @@
* Specify the bitmask of checks that will be performed by {@link SpoofChecker#failsChecks}. Calling this method
* overwrites any checks that may have already been enabled. By default, all checks are enabled.
*
- * To enable specific checks and disable all others, the "whitelisted" checks should be ORed together. For
- * example, to fail strings containing characters outside of the set specified by {@link #setAllowedChars} and
+ * To enable specific checks and disable all others,
+ * OR together only the bit constants for the desired checks.
+ * For example, to fail strings containing characters outside of
+ * the set specified by {@link #setAllowedChars} and
* also strings that contain digits from mixed numbering systems:
*
* <pre>
@@ -628,8 +630,9 @@
* }
* </pre>
*
- * To disable specific checks and enable all others, the "blacklisted" checks should be ANDed away from
- * ALL_CHECKS. For example, if you are not planning to use the {@link SpoofChecker#areConfusable} functionality,
+ * To disable specific checks and enable all others,
+ * start with ALL_CHECKS and "AND away" the not-desired checks.
+ * For example, if you are not planning to use the {@link SpoofChecker#areConfusable} functionality,
* it is good practice to disable the CONFUSABLE check:
*
* <pre>
