diff --git a/src/main/java/eu/siacs/conversations/entities/MucOptions.java b/src/main/java/eu/siacs/conversations/entities/MucOptions.java
index 03d49106..efbddcf3 100644
--- a/src/main/java/eu/siacs/conversations/entities/MucOptions.java
+++ b/src/main/java/eu/siacs/conversations/entities/MucOptions.java
@@ -374,11 +374,11 @@ public class MucOptions {
 	}
 
 	public boolean mamSupport() {
-		return hasFeature(Xmlns.MAM) || hasFeature(Xmlns.MAM_LAGECY);
+		return hasFeature(Xmlns.MAM) || hasFeature(Xmlns.MAM_LEGACY);
 	}
 
 	public boolean mamLegacy() {
-		return hasFeature(Xmlns.MAM_LAGECY) && !hasFeature(Xmlns.MAM);
+		return hasFeature(Xmlns.MAM_LEGACY) && !hasFeature(Xmlns.MAM);
 	}
 
 	public boolean nonanonymous() {
diff --git a/src/main/java/eu/siacs/conversations/generator/IqGenerator.java b/src/main/java/eu/siacs/conversations/generator/IqGenerator.java
index 2d371ab6..3ad93857 100644
--- a/src/main/java/eu/siacs/conversations/generator/IqGenerator.java
+++ b/src/main/java/eu/siacs/conversations/generator/IqGenerator.java
@@ -229,10 +229,10 @@ public class IqGenerator extends AbstractGenerator {
 
 	public IqPacket queryMessageArchiveManagement(final MessageArchiveService.Query mam) {
 		final IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
-		final Element query = packet.query(mam.isLegacy() ? Xmlns.MAM_LAGECY : Xmlns.MAM);
+		final Element query = packet.query(mam.isLegacy() ? Xmlns.MAM_LEGACY : Xmlns.MAM);
 		query.setAttribute("queryid", mam.getQueryId());
 		final Data data = new Data();
-		data.setFormType(mam.isLegacy() ? Xmlns.MAM_LAGECY : Xmlns.MAM);
+		data.setFormType(mam.isLegacy() ? Xmlns.MAM_LEGACY : Xmlns.MAM);
 		if (mam.muc()) {
 			packet.setTo(mam.getWith());
 		} else if (mam.getWith()!=null) {
diff --git a/src/main/java/eu/siacs/conversations/parser/MessageParser.java b/src/main/java/eu/siacs/conversations/parser/MessageParser.java
index c0b29098..8b0f263b 100644
--- a/src/main/java/eu/siacs/conversations/parser/MessageParser.java
+++ b/src/main/java/eu/siacs/conversations/parser/MessageParser.java
@@ -300,16 +300,16 @@ public class MessageParser extends AbstractParser implements OnMessagePacketRece
 		final boolean isForwarded;
 		boolean isCarbon = false;
 		String serverMsgId = null;
-		final Element fin = original.findChild("fin", Xmlns.MAM_LAGECY);
+		final Element fin = original.findChild("fin", Xmlns.MAM_LEGACY);
 		if (fin != null) {
-			mXmppConnectionService.getMessageArchiveService().processFinLagecy(fin,original.getFrom());
+			mXmppConnectionService.getMessageArchiveService().processFinLegacy(fin,original.getFrom());
 			return;
 		}
-		final boolean mamLagecy = original.hasChild("result",Xmlns.MAM_LAGECY);
-		final Element result = original.findChild("result",mamLagecy ? Xmlns.MAM_LAGECY : Xmlns.MAM);
+		final boolean mamLegacy = original.hasChild("result",Xmlns.MAM_LEGACY);
+		final Element result = original.findChild("result",mamLegacy ? Xmlns.MAM_LEGACY : Xmlns.MAM);
 		final MessageArchiveService.Query query = result == null ? null : mXmppConnectionService.getMessageArchiveService().findQuery(result.getAttribute("queryid"));
 		if (query != null && query.validFrom(original.getFrom())) {
-			Pair<MessagePacket, Long> f = original.getForwardedMessagePacket("result", mamLagecy ? Xmlns.MAM_LAGECY : Xmlns.MAM);
+			Pair<MessagePacket, Long> f = original.getForwardedMessagePacket("result", mamLegacy ? Xmlns.MAM_LEGACY : Xmlns.MAM);
 			if (f == null) {
 				return;
 			}
diff --git a/src/main/java/eu/siacs/conversations/services/MessageArchiveService.java b/src/main/java/eu/siacs/conversations/services/MessageArchiveService.java
index ca679164..6ba05f56 100644
--- a/src/main/java/eu/siacs/conversations/services/MessageArchiveService.java
+++ b/src/main/java/eu/siacs/conversations/services/MessageArchiveService.java
@@ -221,7 +221,7 @@ public class MessageArchiveService implements OnAdvancedStreamFeaturesLoaded {
 		return queryInProgress(conversation, null);
 	}
 
-	public void processFinLagecy(Element fin, Jid from) {
+	public void processFinLegacy(Element fin, Jid from) {
 		Query query = findQuery(fin.getAttribute("queryid"));
 		if (query != null && query.validFrom(from)) {
 			processFin(fin);
diff --git a/src/main/java/eu/siacs/conversations/services/XmppConnectionService.java b/src/main/java/eu/siacs/conversations/services/XmppConnectionService.java
index 0c49b9e7..aa232b74 100644
--- a/src/main/java/eu/siacs/conversations/services/XmppConnectionService.java
+++ b/src/main/java/eu/siacs/conversations/services/XmppConnectionService.java
@@ -3715,13 +3715,13 @@ public class XmppConnectionService extends Service {
 	}
 
 	public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
-		final boolean lagecy = account.getXmppConnection().getFeatures().mamLegacy();
+		final boolean legacy = account.getXmppConnection().getFeatures().mamLegacy();
 		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
-		request.addChild("prefs",lagecy ? Xmlns.MAM_LAGECY : Xmlns.MAM);
+		request.addChild("prefs",legacy ? Xmlns.MAM_LEGACY : Xmlns.MAM);
 		sendIqPacket(account, request, new OnIqPacketReceived() {
 			@Override
 			public void onIqPacketReceived(Account account, IqPacket packet) {
-				Element prefs = packet.findChild("prefs",lagecy ? Xmlns.MAM_LAGECY : Xmlns.MAM);
+				Element prefs = packet.findChild("prefs",legacy ? Xmlns.MAM_LEGACY : Xmlns.MAM);
 				if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
 					callback.onPreferencesFetched(prefs);
 				} else {
diff --git a/src/main/java/eu/siacs/conversations/utils/Xmlns.java b/src/main/java/eu/siacs/conversations/utils/Xmlns.java
index e0c501c7..4edd8805 100644
--- a/src/main/java/eu/siacs/conversations/utils/Xmlns.java
+++ b/src/main/java/eu/siacs/conversations/utils/Xmlns.java
@@ -8,5 +8,5 @@ public final class Xmlns {
 	public static final String HTTP_UPLOAD = "urn:xmpp:http:upload";
 	public static final String STANZA_IDS = "urn:xmpp:sid:0";
 	public static final String MAM = "urn:xmpp:mam:1";
-	public static final String MAM_LAGECY = "urn:xmpp:mam:0";
+	public static final String MAM_LEGACY = "urn:xmpp:mam:0";
 }
diff --git a/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java b/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
index e2b5d0bb..7309de96 100644
--- a/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
+++ b/src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
@@ -1636,12 +1636,12 @@ public class XmppConnection implements Runnable {
 
 		public boolean mam() {
 			return hasDiscoFeature(account.getJid().toBareJid(), Xmlns.MAM)
-					|| hasDiscoFeature(account.getJid().toBareJid(), Xmlns.MAM_LAGECY);
+					|| hasDiscoFeature(account.getJid().toBareJid(), Xmlns.MAM_LEGACY);
 		}
 
 		public boolean mamLegacy() {
 			return !hasDiscoFeature(account.getJid().toBareJid(),Xmlns.MAM)
-					&& hasDiscoFeature(account.getJid().toBareJid(),Xmlns.MAM_LAGECY);
+					&& hasDiscoFeature(account.getJid().toBareJid(),Xmlns.MAM_LEGACY);
 		}
 
 		public boolean push() {