diff --git a/crates/ruma-common/src/events/room.rs b/crates/ruma-common/src/events/room.rs
index 85952102..c4557c28 100644
--- a/crates/ruma-common/src/events/room.rs
+++ b/crates/ruma-common/src/events/room.rs
@@ -66,7 +66,7 @@ pub struct ImageInfo {
     #[serde(skip_serializing_if = "Option::is_none")]
     pub size: Option<UInt>,
 
-    /// Metadata about the image referred to in `thumbnail_src`.
+    /// Metadata about the image referred to in `thumbnail_source`.
     #[serde(skip_serializing_if = "Option::is_none")]
     pub thumbnail_info: Option<Box<ThumbnailInfo>>,
 
diff --git a/crates/ruma-common/src/events/room/message.rs b/crates/ruma-common/src/events/room/message.rs
index aed49bc7..d3b9c5b8 100644
--- a/crates/ruma-common/src/events/room/message.rs
+++ b/crates/ruma-common/src/events/room/message.rs
@@ -642,7 +642,7 @@ pub struct FileInfo {
     #[serde(skip_serializing_if = "Option::is_none")]
     pub size: Option<UInt>,
 
-    /// Metadata about the image referred to in `thumbnail_src`.
+    /// Metadata about the image referred to in `thumbnail_source`.
     #[serde(skip_serializing_if = "Option::is_none")]
     pub thumbnail_info: Option<Box<ThumbnailInfo>>,
 
@@ -732,7 +732,7 @@ pub struct LocationInfo {
     )]
     pub thumbnail_source: Option<MediaSource>,
 
-    /// Metadata about the image referred to in `thumbnail_src.
+    /// Metadata about the image referred to in `thumbnail_source.
     #[serde(skip_serializing_if = "Option::is_none")]
     pub thumbnail_info: Option<Box<ThumbnailInfo>>,
 }
@@ -1073,7 +1073,7 @@ pub struct VideoInfo {
     #[serde(skip_serializing_if = "Option::is_none")]
     pub size: Option<UInt>,
 
-    /// Metadata about the image referred to in `thumbnail_src`.
+    /// Metadata about the image referred to in `thumbnail_source`.
     #[serde(skip_serializing_if = "Option::is_none")]
     pub thumbnail_info: Option<Box<ThumbnailInfo>>,
 
diff --git a/crates/ruma-common/src/events/room/thumbnail_source_serde.rs b/crates/ruma-common/src/events/room/thumbnail_source_serde.rs
index e39872d4..d57e698c 100644
--- a/crates/ruma-common/src/events/room/thumbnail_source_serde.rs
+++ b/crates/ruma-common/src/events/room/thumbnail_source_serde.rs
@@ -32,7 +32,7 @@ pub fn deserialize<'de, D>(deserializer: D) -> Result<Option<MediaSource>, D::Er
 where
     D: Deserializer<'de>,
 {
-    Option::<ThumbnailSource>::deserialize(deserializer).map(|src| src.map(Into::into))
+    Option::<ThumbnailSource>::deserialize(deserializer).map(|source| source.map(Into::into))
 }
 
 #[derive(Clone, Debug, Deserialize)]