diff --git a/crates/matrix-sdk-crypto/src/error.rs b/crates/matrix-sdk-crypto/src/error.rs
index 44cd7292d..40b081f60 100644
--- a/crates/matrix-sdk-crypto/src/error.rs
+++ b/crates/matrix-sdk-crypto/src/error.rs
@@ -119,10 +119,10 @@ pub enum EventError {
     MissingField(String),
 
     #[error("the sender of the plaintext doesn't match the sender of the encrypted message.")]
-    MissmatchedSender,
+    MismatchedSender,
 
     #[error("the keys of the message don't match the keys in our database.")]
-    MissmatchedKeys,
+    MismatchedKeys,
 }
 
 #[derive(Error, Debug)]
diff --git a/crates/matrix-sdk-crypto/src/olm/account.rs b/crates/matrix-sdk-crypto/src/olm/account.rs
index fc990e298..60c31bb9a 100644
--- a/crates/matrix-sdk-crypto/src/olm/account.rs
+++ b/crates/matrix-sdk-crypto/src/olm/account.rs
@@ -430,7 +430,7 @@ impl Account {
         )?;
 
         if &recipient != self.user_id() || sender != &encrypted_sender {
-            return Err(EventError::MissmatchedSender.into());
+            return Err(EventError::MismatchedSender.into());
         }
 
         if self.inner.identity_keys().ed25519()
@@ -438,7 +438,7 @@ impl Account {
                 .get(&DeviceKeyAlgorithm::Ed25519)
                 .ok_or(EventError::MissingSigningKey)?
         {
-            return Err(EventError::MissmatchedKeys.into());
+            return Err(EventError::MismatchedKeys.into());
         }
 
         let signing_key =
diff --git a/crates/matrix-sdk-crypto/src/olm/signing/mod.rs b/crates/matrix-sdk-crypto/src/olm/signing/mod.rs
index 49a41b28a..404601f08 100644
--- a/crates/matrix-sdk-crypto/src/olm/signing/mod.rs
+++ b/crates/matrix-sdk-crypto/src/olm/signing/mod.rs
@@ -225,7 +225,7 @@ impl PrivateCrossSigningIdentity {
             if public_identity.master_key() == &master.public_key {
                 Ok(Some(master))
             } else {
-                Err(SecretImportError::MissmatchedPublicKeys)
+                Err(SecretImportError::MismatchedPublicKeys)
             }
         } else {
             Ok(None)
@@ -238,7 +238,7 @@ impl PrivateCrossSigningIdentity {
             if public_identity.user_signing_key() == &subkey.public_key {
                 Ok(Some(subkey))
             } else {
-                Err(SecretImportError::MissmatchedPublicKeys)
+                Err(SecretImportError::MismatchedPublicKeys)
             }
         } else {
             Ok(None)
@@ -251,7 +251,7 @@ impl PrivateCrossSigningIdentity {
             if public_identity.self_signing_key() == &subkey.public_key {
                 Ok(Some(subkey))
             } else {
-                Err(SecretImportError::MissmatchedPublicKeys)
+                Err(SecretImportError::MismatchedPublicKeys)
             }
         } else {
             Ok(None)
diff --git a/crates/matrix-sdk-crypto/src/store/mod.rs b/crates/matrix-sdk-crypto/src/store/mod.rs
index c8b1976b9..13da23044 100644
--- a/crates/matrix-sdk-crypto/src/store/mod.rs
+++ b/crates/matrix-sdk-crypto/src/store/mod.rs
@@ -173,7 +173,7 @@ pub enum SecretImportError {
         "The public key of the imported private key doesn't match to the \
             public key that was uploaded to the server"
     )]
-    MissmatchedPublicKeys,
+    MismatchedPublicKeys,
     /// The new version of the identity couldn't be stored.
     #[error(transparent)]
     Store(#[from] CryptoStoreError),