diff --git a/lib/ldclient-rb/integrations/consul.rb b/lib/ldclient-rb/integrations/consul.rb
index 2d46d813..4f32d5fd 100644
--- a/lib/ldclient-rb/integrations/consul.rb
+++ b/lib/ldclient-rb/integrations/consul.rb
@@ -25,7 +25,7 @@ def self.default_prefix
       # @option opts [String] :url   shortcut for setting the `url` property of the Consul client configuration
       # @option opts [String] :prefix  namespace prefix to add to all keys used by LaunchDarkly
       # @option opts [Logger] :logger  a `Logger` instance; defaults to `Config.default_logger`
-      # @option opts [Integer] :expiration_seconds (15)  expiration time for the in-memory cache, in seconds; 0 for no local caching
+      # @option opts [Integer] :expiration (15)  expiration time for the in-memory cache, in seconds; 0 for no local caching
       # @option opts [Integer] :capacity (1000)  maximum number of items in the cache
       # @return [LaunchDarkly::Interfaces::FeatureStore]  a feature store object
       #
diff --git a/lib/ldclient-rb/integrations/dynamodb.rb b/lib/ldclient-rb/integrations/dynamodb.rb
index ecd87fce..189e118f 100644
--- a/lib/ldclient-rb/integrations/dynamodb.rb
+++ b/lib/ldclient-rb/integrations/dynamodb.rb
@@ -34,7 +34,7 @@ module DynamoDB
       # @option opts [Object] :existing_client  an already-constructed DynamoDB client for the feature store to use
       # @option opts [String] :prefix  namespace prefix to add to all keys used by LaunchDarkly
       # @option opts [Logger] :logger  a `Logger` instance; defaults to `Config.default_logger`
-      # @option opts [Integer] :expiration_seconds (15)  expiration time for the in-memory cache, in seconds; 0 for no local caching
+      # @option opts [Integer] :expiration (15)  expiration time for the in-memory cache, in seconds; 0 for no local caching
       # @option opts [Integer] :capacity (1000)  maximum number of items in the cache
       # @return [LaunchDarkly::Interfaces::FeatureStore]  a feature store object
       #
diff --git a/lib/ldclient-rb/integrations/redis.rb b/lib/ldclient-rb/integrations/redis.rb
index 34509181..7e447657 100644
--- a/lib/ldclient-rb/integrations/redis.rb
+++ b/lib/ldclient-rb/integrations/redis.rb
@@ -42,7 +42,7 @@ def self.default_prefix
       # @option opts [String] :prefix (default_prefix)  namespace prefix to add to all hash keys used by LaunchDarkly
       # @option opts [Logger] :logger  a `Logger` instance; defaults to `Config.default_logger`
       # @option opts [Integer] :max_connections  size of the Redis connection pool
-      # @option opts [Integer] :expiration_seconds (15)  expiration time for the in-memory cache, in seconds; 0 for no local caching
+      # @option opts [Integer] :expiration (15)  expiration time for the in-memory cache, in seconds; 0 for no local caching
       # @option opts [Integer] :capacity (1000)  maximum number of items in the cache
       # @option opts [Object] :pool  custom connection pool, if desired
       # @return [LaunchDarkly::Interfaces::FeatureStore]  a feature store object
diff --git a/lib/ldclient-rb/integrations/util/store_wrapper.rb b/lib/ldclient-rb/integrations/util/store_wrapper.rb
index eef22d5e..26318d67 100644
--- a/lib/ldclient-rb/integrations/util/store_wrapper.rb
+++ b/lib/ldclient-rb/integrations/util/store_wrapper.rb
@@ -23,7 +23,7 @@ class CachingStoreWrapper
         #
         # @param core [Object]  an object that implements the {FeatureStoreCore} methods
         # @param opts [Hash]  a hash that may include cache-related options; all others will be ignored
-        # @option opts [Float] :expiration_seconds (15)  cache TTL; zero means no caching
+        # @option opts [Float] :expiration (15)  cache TTL; zero means no caching
         # @option opts [Integer] :capacity (1000)  maximum number of items in the cache
         #
         def initialize(core, opts)
diff --git a/lib/ldclient-rb/redis_store.rb b/lib/ldclient-rb/redis_store.rb
index 392f5d2e..48632411 100644
--- a/lib/ldclient-rb/redis_store.rb
+++ b/lib/ldclient-rb/redis_store.rb
@@ -32,7 +32,7 @@ class RedisFeatureStore
     # @option opts [String] :prefix  namespace prefix to add to all hash keys used by LaunchDarkly
     # @option opts [Logger] :logger  a `Logger` instance; defaults to `Config.default_logger`
     # @option opts [Integer] :max_connections  size of the Redis connection pool
-    # @option opts [Integer] :expiration_seconds  expiration time for the in-memory cache, in seconds; 0 for no local caching
+    # @option opts [Integer] :expiration  expiration time for the in-memory cache, in seconds; 0 for no local caching
     # @option opts [Integer] :capacity  maximum number of feature flags (or related objects) to cache locally
     # @option opts [Object] :pool  custom connection pool, if desired
     #