diff --git a/.gitignore b/.gitignore
index 2571b80..c4a8b7b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,6 +16,7 @@
 .pytest_cache
 .tmp
 .venv
+.vscode
 /Dockerfile
 __pycache__
 build
diff --git a/README.md b/README.md
index 81fc01a..2228c2b 100644
--- a/README.md
+++ b/README.md
@@ -36,6 +36,7 @@ Also includes:
 
 -----------------------------------------------------------------
 
+
 <a name="description"></a>
 ## Description
 
diff --git a/VERSION b/VERSION
index 07a45d7..d532fd9 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.5.21
+1.5.22
diff --git a/c/doc/Doxyfile b/c/doc/Doxyfile
index ce99a71..2fcb121 100644
--- a/c/doc/Doxyfile
+++ b/c/doc/Doxyfile
@@ -32,7 +32,7 @@ PROJECT_NAME           = "NumKey"
 # This could be handy for archiving the generated documentation or
 # if some version control system is used.
 
-PROJECT_NUMBER = 1.5.21
+PROJECT_NUMBER = 1.5.22
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer
diff --git a/go/src/numkey.go b/go/src/numkey.go
index 0f030d3..7fc5669 100644
--- a/go/src/numkey.go
+++ b/go/src/numkey.go
@@ -66,7 +66,7 @@ func encodeNumber(number string) uint64 {
 	size := len(number)
 	if size > NumMaxLen {
 		number = number[(size - NumMaxLen):size] // last 15 digits
-		size = 0                                 // flag non-revesible encoding
+		size = 0                                 // flag non-reversible encoding
 	}
 	num, err := strconv.ParseUint(number, 10, 64)
 	if err != nil {
diff --git a/java/.gitignore b/java/.gitignore
index c68362c..c027484 100644
--- a/java/.gitignore
+++ b/java/.gitignore
@@ -1,6 +1,4 @@
-# Ignore Gradle project-specific cache directory
 .gradle
-
-# Ignore Gradle build output directory
-build
 .idea
+bin
+build
diff --git a/java/src/main/java/com/nexmo/numkey/NumKey.java b/java/src/main/java/com/nexmo/numkey/NumKey.java
index 0c9adc7..25851e6 100644
--- a/java/src/main/java/com/nexmo/numkey/NumKey.java
+++ b/java/src/main/java/com/nexmo/numkey/NumKey.java
@@ -73,7 +73,7 @@ private static long encodeNumber(byte[] number) {
         int len = number.length;
         if (len > NKNUMMAXLEN) {
             j = (len - NKNUMMAXLEN); // last 15 digits
-            len = 0;                 // flag non-revesible encoding
+            len = 0;                 // flag non-reversible encoding
         }
         for (i = j; i < number.length; i++) {
             b = (int) number[i] - '0';
diff --git a/javascript/src/numkey.js b/javascript/src/numkey.js
index 74f4c9a..7ac66ed 100644
--- a/javascript/src/numkey.js
+++ b/javascript/src/numkey.js
@@ -67,7 +67,7 @@ function encodeNumber(number) {
     var len = size;
     if (size > NKNUMMAXLEN) {
         j = (size - NKNUMMAXLEN); // last 15 digits
-        len = 0; // flag non-revesible encoding
+        len = 0; // flag non-reversible encoding
     }
     for (i = j; i < size; i++) {
         b = (number.charCodeAt(i) - NKZEROSHIFT);
diff --git a/python/setup.py b/python/setup.py
index 3e28906..9ecff5d 100644
--- a/python/setup.py
+++ b/python/setup.py
@@ -30,7 +30,7 @@ def run(self):
 
 setup(
     name="numkey",
-    version="1.5.21.1",
+    version="1.5.22.1",
     keywords=("numkey E.164 shortcode lvn did encoding"),
     description="NumKey Bindings for Python",
     long_description=read("../README.md"),