diff --git a/lib/bindings/http/constants.js b/lib/bindings/http/constants.js
index 89542bc..10ebbd8 100644
--- a/lib/bindings/http/constants.js
+++ b/lib/bindings/http/constants.js
@@ -32,7 +32,7 @@ module.exports = Object.freeze({
     ID: "ce-id",
     TIME: "ce-time",
     SCHEMA_URL: "ce-schemaurl",
-    CONTENT_ENCONDING: "ce-datacontentencoding",
+    CONTENT_ENCODING: "ce-datacontentencoding",
     SUBJECT: "ce-subject",
     EXTENSIONS_PREFIX: "ce-"
   },
@@ -43,7 +43,7 @@ module.exports = Object.freeze({
     ID: "id",
     TIME: "time",
     SCHEMA_URL: "schemaurl",
-    CONTENT_ENCONDING: "datacontentencoding",
+    CONTENT_ENCODING: "datacontentencoding",
     CONTENT_TYPE: "datacontenttype",
     SUBJECT: "subject",
     DATA: "data"
diff --git a/lib/bindings/http/emitter_binary_0_3.js b/lib/bindings/http/emitter_binary_0_3.js
index 46c9f9d..5002152 100644
--- a/lib/bindings/http/emitter_binary_0_3.js
+++ b/lib/bindings/http/emitter_binary_0_3.js
@@ -11,7 +11,7 @@ headerByGetter.getDataContentType = {
 };
 
 headerByGetter.getDataContentEncoding = {
-  name: BINARY_HEADERS_03.CONTENT_ENCONDING,
+  name: BINARY_HEADERS_03.CONTENT_ENCODING,
   parser: (v) => v
 };
 
diff --git a/lib/bindings/http/receiver_binary_0_3.js b/lib/bindings/http/receiver_binary_0_3.js
index 7a38e84..943adb3 100644
--- a/lib/bindings/http/receiver_binary_0_3.js
+++ b/lib/bindings/http/receiver_binary_0_3.js
@@ -67,7 +67,7 @@ setterByHeader[Constants.HEADER_CONTENT_TYPE] = {
   name: "dataContentType",
   parser: (v) => v
 };
-setterByHeader[Constants.BINARY_HEADERS_03.CONTENT_ENCONDING] = {
+setterByHeader[Constants.BINARY_HEADERS_03.CONTENT_ENCODING] = {
   name: "dataContentEncoding",
   parser: (v) => v
 };
@@ -82,7 +82,7 @@ function checkDecorator(payload, headers) {
   Object.keys(headers)
     .map((header) => header.toLocaleLowerCase("en-US"))
     .filter((header) =>
-      header === Constants.BINARY_HEADERS_03.CONTENT_ENCONDING)
+      header === Constants.BINARY_HEADERS_03.CONTENT_ENCODING)
     .filter((header) => !allowedEncodings.includes(headers[header]))
     .forEach((header) => {
       // TODO: using forEach here seems off
diff --git a/test/bindings/http/unmarshaller_0_3_tests.js b/test/bindings/http/unmarshaller_0_3_tests.js
index 77462e1..58377df 100644
--- a/test/bindings/http/unmarshaller_0_3_tests.js
+++ b/test/bindings/http/unmarshaller_0_3_tests.js
@@ -183,7 +183,7 @@ describe("HTTP Transport Binding Unmarshaller for CloudEvents v0.3", () => {
         [BINARY_HEADERS_03.TIME]: "2019-06-16T11:42:00Z",
         [BINARY_HEADERS_03.SCHEMA_URL]: "http://schema.registry/v1",
         [HEADER_CONTENT_TYPE]: "application/json",
-        [BINARY_HEADERS_03.CONTENT_ENCONDING]: BINARY
+        [BINARY_HEADERS_03.CONTENT_ENCODING]: BINARY
       };
 
       expect(() => un.unmarshall(payload, attributes)).to
@@ -205,7 +205,7 @@ describe("HTTP Transport Binding Unmarshaller for CloudEvents v0.3", () => {
         [BINARY_HEADERS_03.TIME]: "2019-06-16T11:42:00Z",
         [BINARY_HEADERS_03.SCHEMA_URL]: "http://schema.registry/v1",
         [HEADER_CONTENT_TYPE]: "application/json",
-        [BINARY_HEADERS_03.CONTENT_ENCONDING]: "base64"
+        [BINARY_HEADERS_03.CONTENT_ENCODING]: "base64"
       };
 
       const event = un.unmarshall(payload, attributes);
diff --git a/test/constants_test.js b/test/constants_test.js
index 55d2078..eec0e75 100644
--- a/test/constants_test.js
+++ b/test/constants_test.js
@@ -92,7 +92,7 @@ describe("Constants exposed by top level exports", () => {
       expect(BINARY_HEADERS_03.SCHEMA_URL).to.equal("ce-schemaurl");
     });
     it("Provides a CONTENT_ENCODING header", () => {
-      expect(BINARY_HEADERS_03.CONTENT_ENCONDING).to.equal("ce-datacontentencoding");
+      expect(BINARY_HEADERS_03.CONTENT_ENCODING).to.equal("ce-datacontentencoding");
     });
     it("Provides a SUBJECT header", () => {
       expect(BINARY_HEADERS_03.SUBJECT).to.equal("ce-subject");
@@ -121,7 +121,7 @@ describe("Constants exposed by top level exports", () => {
       expect(STRUCTURED_ATTRS_03.SCHEMA_URL).to.equal("schemaurl");
     });
     it("Provides a CONTENT_ENCODING attribute", () => {
-      expect(STRUCTURED_ATTRS_03.CONTENT_ENCONDING).to.equal("datacontentencoding");
+      expect(STRUCTURED_ATTRS_03.CONTENT_ENCODING).to.equal("datacontentencoding");
     });
     it("Provides a SUBJECT attribute", () => {
       expect(STRUCTURED_ATTRS_03.SUBJECT).to.equal("subject");