diff --git a/crates/ruma-identifiers-validation/CHANGELOG.md b/crates/ruma-identifiers-validation/CHANGELOG.md
index 6ae5a647..c4fff950 100644
--- a/crates/ruma-identifiers-validation/CHANGELOG.md
+++ b/crates/ruma-identifiers-validation/CHANGELOG.md
@@ -1,5 +1,9 @@
 # [unreleased]
 
+Breaking changes:
+
+* Fix a typo in a public function name: `user_id::localpart_is_fully_{comforming => conforming}`
+
 # 0.3.0
 
 Breaking changes:
diff --git a/crates/ruma-identifiers-validation/src/user_id.rs b/crates/ruma-identifiers-validation/src/user_id.rs
index ae20f814..51e2f4e1 100644
--- a/crates/ruma-identifiers-validation/src/user_id.rs
+++ b/crates/ruma-identifiers-validation/src/user_id.rs
@@ -5,7 +5,7 @@ use crate::{parse_id, Error};
 pub fn validate(s: &str) -> Result<(NonZeroU8, bool), Error> {
     let colon_idx = parse_id(s, &['@'])?;
     let localpart = &s[1..colon_idx.get() as usize];
-    let is_historical = localpart_is_fully_comforming(localpart)?;
+    let is_historical = localpart_is_fully_conforming(localpart)?;
 
     Ok((colon_idx, is_historical))
 }
@@ -19,7 +19,7 @@ pub fn validate(s: &str) -> Result<(NonZeroU8, bool), Error> {
 /// localparts. User IDs that don't even meet the historical user ID restrictions exist in the wild
 /// due to Synapse allowing them over federation. This will likely be fixed in an upcoming room
 /// version; see <https://github.com/matrix-org/matrix-doc/pull/2828>.
-pub fn localpart_is_fully_comforming(localpart: &str) -> Result<bool, Error> {
+pub fn localpart_is_fully_conforming(localpart: &str) -> Result<bool, Error> {
     // See https://matrix.org/docs/spec/appendices#user-identifiers
     let is_fully_conforming = localpart
         .bytes()
diff --git a/crates/ruma-identifiers/src/user_id.rs b/crates/ruma-identifiers/src/user_id.rs
index aa3ad0a1..9fa1033e 100644
--- a/crates/ruma-identifiers/src/user_id.rs
+++ b/crates/ruma-identifiers/src/user_id.rs
@@ -65,7 +65,7 @@ impl UserId {
         if id_str.starts_with('@') {
             try_from(id.into())
         } else {
-            let is_fully_conforming = localpart_is_fully_comforming(id_str)?;
+            let is_fully_conforming = localpart_is_fully_conforming(id_str)?;
 
             Ok(Self {
                 full_id: format!("@{}:{}", id_str, server_name).into(),
@@ -109,7 +109,7 @@ where
 
 common_impls!(UserId, try_from, "a Matrix user ID");
 
-pub use ruma_identifiers_validation::user_id::localpart_is_fully_comforming;
+pub use ruma_identifiers_validation::user_id::localpart_is_fully_conforming;
 
 #[cfg(test)]
 mod tests {