doc: Shorten one of our doc examples

crates/matrix-sdk/src/encryption/mod.rs

@@ -1195,7 +1195,11 @@ impl Encryption {
     ///             handle.auth(Some(uiaa::AuthData::Password(password))).await?;
     ///         }
     ///         CrossSigningResetAuthType::Oidc(o) => {
-    ///             println!("To reset your end-to-end encryption cross-signing identity, you first need to approve it at {}", o.approval_url);
+    ///             println!(
+    ///                 "To reset your end-to-end encryption cross-signing identity, \
+    ///                 you first need to approve it at {}",
+    ///                 o.approval_url
+    ///             );
     ///             handle.auth(None).await?;
     ///         }
     ///     }

examples/cross_signing_bootstrap/src/main.rs

@@ -28,7 +28,11 @@ async fn bootstrap(client: Client, user_id: OwnedUserId, password: String) -> Re
                 handle.auth(Some(uiaa::AuthData::Password(password))).await?;
             }
             CrossSigningResetAuthType::Oidc(oidc) => {
-                println!("To reset your end-to-end encryption cross-signing identity, you first need to approve it at {}", oidc.approval_url);
+                println!(
+                    "To reset your end-to-end encryption cross-signing identity, \
+                    you first need to approve it at {}",
+                    oidc.approval_url
+                );
                 handle.auth(None).await?;
             }
         }

examples/oidc_cli/src/main.rs

@@ -417,7 +417,11 @@ impl OidcCli {
                     unimplemented!("This should never happen, this is after all the OIDC example.")
                 }
                 CrossSigningResetAuthType::Oidc(o) => {
-                    println!("To reset your end-to-end encryption cross-signing identity, you first need to approve it at {}", o.approval_url);
+                    println!(
+                        "To reset your end-to-end encryption cross-signing identity, \
+                        you first need to approve it at {}",
+                        o.approval_url
+                    );
                     handle.auth(None).await?;
                 }
             }