diff --git a/README.rst b/README.rst
index 329c412..5b11033 100644
--- a/README.rst
+++ b/README.rst
@@ -153,14 +153,14 @@ Example how to customize default config (everything gets overridden):
 
     @memoize(
         configuration=MutableCacheConfiguration
-            .initialized_with(DefaultInMemoryCacheConfiguration())
-            .set_method_timeout(value=timedelta(minutes=2))
-            .set_entry_builder(ProvidedLifeSpanCacheEntryBuilder(update_after=timedelta(minutes=2),
-                                                                 expire_after=timedelta(minutes=5)))
-            .set_eviction_strategy(LeastRecentlyUpdatedEvictionStrategy(capacity=2048))
-            .set_key_extractor(EncodedMethodNameAndArgsKeyExtractor(skip_first_arg_as_self=False))
-            .set_storage(LocalInMemoryCacheStorage())
-            .set_postprocessing(DeepcopyPostprocessing()),
+        .initialized_with(DefaultInMemoryCacheConfiguration())
+        .set_method_timeout(value=timedelta(minutes=2))
+        .set_entry_builder(ProvidedLifeSpanCacheEntryBuilder(update_after=timedelta(minutes=2),
+                                                             expire_after=timedelta(minutes=5)))
+        .set_eviction_strategy(LeastRecentlyUpdatedEvictionStrategy(capacity=2048))
+        .set_key_extractor(EncodedMethodNameAndArgsKeyExtractor(skip_first_arg_as_self=False))
+        .set_storage(LocalInMemoryCacheStorage())
+        .set_postprocessing(DeepcopyPostprocessing()),
         update_statuses=InMemoryLocks(update_lock_timeout=timedelta(minutes=5))
     )
     async def cached():
diff --git a/examples/configuration/custom_configuration.py b/examples/configuration/custom_configuration.py
index 59bca48..29d1cab 100644
--- a/examples/configuration/custom_configuration.py
+++ b/examples/configuration/custom_configuration.py
@@ -12,14 +12,14 @@
 
 @memoize(
     configuration=MutableCacheConfiguration
-        .initialized_with(DefaultInMemoryCacheConfiguration())
-        .set_method_timeout(value=timedelta(minutes=2))
-        .set_entry_builder(ProvidedLifeSpanCacheEntryBuilder(update_after=timedelta(minutes=2),
-                                                             expire_after=timedelta(minutes=5)))
-        .set_eviction_strategy(LeastRecentlyUpdatedEvictionStrategy(capacity=2048))
-        .set_key_extractor(EncodedMethodNameAndArgsKeyExtractor(skip_first_arg_as_self=False))
-        .set_storage(LocalInMemoryCacheStorage())
-        .set_postprocessing(DeepcopyPostprocessing()),
+    .initialized_with(DefaultInMemoryCacheConfiguration())
+    .set_method_timeout(value=timedelta(minutes=2))
+    .set_entry_builder(ProvidedLifeSpanCacheEntryBuilder(update_after=timedelta(minutes=2),
+                                                         expire_after=timedelta(minutes=5)))
+    .set_eviction_strategy(LeastRecentlyUpdatedEvictionStrategy(capacity=2048))
+    .set_key_extractor(EncodedMethodNameAndArgsKeyExtractor(skip_first_arg_as_self=False))
+    .set_storage(LocalInMemoryCacheStorage())
+    .set_postprocessing(DeepcopyPostprocessing()),
     update_statuses=InMemoryLocks(update_lock_timeout=timedelta(minutes=5))
 )
 async def cached():
diff --git a/memoize/statuses.py b/memoize/statuses.py
index 1f2dfd4..664d7ea 100644
--- a/memoize/statuses.py
+++ b/memoize/statuses.py
@@ -14,31 +14,31 @@
 class UpdateStatuses(metaclass=ABCMeta):
     @abstractmethod
     def is_being_updated(self, key: CacheKey) -> bool:
-        """Check if update for given key is in progress. Obtained info is valid until control gets back to IO-loop."""
+        """Checks if update for given key is in progress. Obtained info is valid until control gets back to IO-loop."""
         raise NotImplementedError()
 
     @abstractmethod
     def mark_being_updated(self, key: CacheKey) -> None:
-        """Inform that update has been started.
+        """Informs that update has been started.
         Should be called only if 'is_being_updated' returned False (and since then IO-loop has not been lost)..
         Calls to 'is_being_updated' will return True until 'mark_updated' will be called."""
         raise NotImplementedError()
 
     def mark_updated(self, key: CacheKey, entry: CacheEntry) -> None:
-        """Inform that update has been finished.
+        """Informs that update has been finished.
         Calls to 'is_being_updated' will return False until 'mark_being_updated' will be called."""
         raise NotImplementedError()
 
     @abstractmethod
     def mark_update_aborted(self, key: CacheKey, exception: Exception) -> None:
-        """Inform that update failed to complete.
+        """Informs that update failed to complete.
         Calls to 'is_being_updated' will return False until 'mark_being_updated' will be called.
         Accepts exception to propagate it across all clients awaiting an update."""
         raise NotImplementedError()
 
     @abstractmethod
     def await_updated(self, key: CacheKey) -> Awaitable[Union[CacheEntry, Exception]]:
-        """Wait (asynchronously) until update in progress has benn finished.
+        """Waits (asynchronously) until update in progress has benn finished.
         Returns awaitable with the updated entry
         (or awaitable with an exception if update failed/timed-out).
         Should be called only if 'is_being_updated' returned True (and since then IO-loop has not been lost)."""