diff --git a/TrustKit/Pinning/TSKSPKIHashCache.h b/TrustKit/Pinning/TSKSPKIHashCache.h
index 0ef77f9c..99562649 100644
--- a/TrustKit/Pinning/TSKSPKIHashCache.h
+++ b/TrustKit/Pinning/TSKSPKIHashCache.h
@@ -29,7 +29,7 @@ NS_ASSUME_NONNULL_BEGIN
 static NSString *const kTSKSPKISharedHashCacheIdentifier = @"spki-hash-v2.cache";
 
 // Each key is a raw certificate data (for easy lookup) and each value is the certificate's raw SPKI data
-typedef NSMutableDictionary<NSData *, NSData *> SPKICacheDictionnary;
+typedef NSMutableDictionary<NSData *, NSData *> SPKICacheDictionary;
 
 @interface TSKSPKIHashCache : NSObject
 
diff --git a/TrustKit/Pinning/TSKSPKIHashCache.m b/TrustKit/Pinning/TSKSPKIHashCache.m
index 238ce884..27be3e0c 100644
--- a/TrustKit/Pinning/TSKSPKIHashCache.m
+++ b/TrustKit/Pinning/TSKSPKIHashCache.m
@@ -21,8 +21,8 @@
 
 @interface TSKSPKIHashCache ()
 
-// Dictionnary to cache SPKI hashes instead of having to compute them on every connection
-@property (nonatomic) SPKICacheDictionnary *spkiCache;
+// Dictionary to cache SPKI hashes instead of having to compute them on every connection
+@property (nonatomic) SPKICacheDictionary *spkiCache;
 @property (nonatomic) dispatch_queue_t lockQueue;
 @property (nonatomic) dispatch_queue_t persistenceQueue;
 @property (nonatomic) BOOL persistenceScheduled;
@@ -31,7 +31,7 @@ @interface TSKSPKIHashCache ()
 /**
  Load the SPKI cache from the filesystem. This triggers blocking file I/O.
  */
-- (SPKICacheDictionnary *)loadSPKICacheFromFileSystem;
+- (SPKICacheDictionary *)loadSPKICacheFromFileSystem;
 
 @end
 
@@ -140,7 +140,7 @@ - (void)schedulePersistence {
     self.persistenceScheduled = YES;
 
     isProtectedDataAvailableAsync(self.persistenceQueue, ^(BOOL available) {
-        __block SPKICacheDictionnary *snapshot = nil;
+        __block SPKICacheDictionary *snapshot = nil;
         dispatch_sync(self.lockQueue, ^{
             self.persistenceScheduled = NO;
             if (available) {
@@ -162,12 +162,12 @@ - (void)schedulePersistence {
     });
 }
 
-- (SPKICacheDictionnary *)loadSPKICacheFromFileSystem {
+- (SPKICacheDictionary *)loadSPKICacheFromFileSystem {
     NSMutableDictionary *spkiCache = nil;
     NSData *serializedSpkiCache = [NSData dataWithContentsOfURL:[self SPKICachePath]];
     if (serializedSpkiCache) {
         NSError *decodingError = nil;
-        spkiCache = [NSKeyedUnarchiver unarchivedObjectOfClasses:[NSSet setWithArray:@[[SPKICacheDictionnary class], [NSData class]]]
+        spkiCache = [NSKeyedUnarchiver unarchivedObjectOfClasses:[NSSet setWithArray:@[[SPKICacheDictionary class], [NSData class]]]
                                                         fromData:serializedSpkiCache
                                                            error:&decodingError];
         if (decodingError) {
@@ -200,7 +200,7 @@ - (void)waitForPendingSubjectPublicKeyInfoDiskWrites {
     );
 }
 
-- (SPKICacheDictionnary *)getSubjectPublicKeyInfoHashesCache {
+- (SPKICacheDictionary *)getSubjectPublicKeyInfoHashesCache {
     return _spkiCache;
 }
 
diff --git a/TrustKit/TSKPinningValidator_Private.h b/TrustKit/TSKPinningValidator_Private.h
index 2bd6996b..a3342a93 100644
--- a/TrustKit/TSKPinningValidator_Private.h
+++ b/TrustKit/TSKPinningValidator_Private.h
@@ -21,7 +21,7 @@ NS_ASSUME_NONNULL_BEGIN
 /**
  Initialize an instance of TSKPinningValidator.
 
- @param domainPinningPolicies A dictionnary of domains and the corresponding pinning policy.
+ @param domainPinningPolicies A dictionary of domains and the corresponding pinning policy.
  @param hashCache The hash cache to use. If nil, no caching is performed, performance may suffer.
  @param ignorePinsForUserTrustAnchors Set to true to ignore the trust anchors in the user trust store
  @param validationCallbackQueue The queue used when invoking the validationResultHandler
diff --git a/TrustKitTests/TSKPinningValidatorTests.m b/TrustKitTests/TSKPinningValidatorTests.m
index 35972b6d..d5c64788 100644
--- a/TrustKitTests/TSKPinningValidatorTests.m
+++ b/TrustKitTests/TSKPinningValidatorTests.m
@@ -38,8 +38,8 @@ - (void)cancelAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge
 
 @interface TSKSPKIHashCache (TestSupport)
 - (void)resetSubjectPublicKeyInfoDiskCache;
-- (NSMutableDictionary<NSNumber *, SPKICacheDictionnary *> *)getSubjectPublicKeyInfoHashesCache;
-- (NSMutableDictionary<NSNumber *, SPKICacheDictionnary *> *)loadSPKICacheFromFileSystem;
+- (NSMutableDictionary<NSNumber *, SPKICacheDictionary *> *)getSubjectPublicKeyInfoHashesCache;
+- (NSMutableDictionary<NSNumber *, SPKICacheDictionary *> *)loadSPKICacheFromFileSystem;
 - (void)waitForPendingSubjectPublicKeyInfoDiskWrites;
 @end
 
diff --git a/TrustKitTests/TSKSPKIHashCacheTests.m b/TrustKitTests/TSKSPKIHashCacheTests.m
index 7bfe1b24..dfb6aebf 100644
--- a/TrustKitTests/TSKSPKIHashCacheTests.m
+++ b/TrustKitTests/TSKSPKIHashCacheTests.m
@@ -23,7 +23,7 @@
 
 @interface TSKSPKIHashCache (TestSupport)
 - (void)resetSubjectPublicKeyInfoDiskCache;
-- (NSMutableDictionary<NSNumber *, SPKICacheDictionnary *> *)getSubjectPublicKeyInfoHashesCache;
+- (NSMutableDictionary<NSNumber *, SPKICacheDictionary *> *)getSubjectPublicKeyInfoHashesCache;
 @end
 
 @interface TSKSPKIHashCacheTests : XCTestCase