diff --git a/src/main/java/net/schmizz/sshj/common/Buffer.java b/src/main/java/net/schmizz/sshj/common/Buffer.java
index d97cf636..183de8d3 100644
--- a/src/main/java/net/schmizz/sshj/common/Buffer.java
+++ b/src/main/java/net/schmizz/sshj/common/Buffer.java
@@ -132,8 +132,9 @@ public class Buffer<T extends Buffer<T>> {
 
     protected void ensureAvailable(int a)
             throws BufferException {
-        if (available() < a)
+        if (available() < a) {
             throw new BufferException("Underflow");
+        }
     }
 
     public void ensureCapacity(int capacity) {
@@ -392,8 +393,9 @@ public class Buffer<T extends Buffer<T>> {
     public String readString(Charset cs)
             throws BufferException {
         int len = readUInt32AsInt();
-        if (len < 0 || len > 32768)
+        if (len < 0 || len > 32768) {
             throw new BufferException("Bad item length: " + len);
+        }
         ensureAvailable(len);
         String s = new String(data, rpos, len, cs);
         rpos += len;
diff --git a/src/main/java/net/schmizz/sshj/common/IOUtils.java b/src/main/java/net/schmizz/sshj/common/IOUtils.java
index 72963ad8..8c39bf91 100644
--- a/src/main/java/net/schmizz/sshj/common/IOUtils.java
+++ b/src/main/java/net/schmizz/sshj/common/IOUtils.java
@@ -40,7 +40,7 @@ public class IOUtils {
                 if (c != null)
                     c.close();
             } catch (IOException logged) {
-		loggerFactory.getLogger(IOUtils.class).warn("Error closing {} - {}", c, logged);
+                loggerFactory.getLogger(IOUtils.class).warn("Error closing {} - {}", c, logged);
             }
         }
     }