diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/ConcurrentRefUpdateException.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/ConcurrentRefUpdateException.java
index 02bb494f6..6f681b68c 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/ConcurrentRefUpdateException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/ConcurrentRefUpdateException.java
@@ -44,7 +44,7 @@
 import org.eclipse.jgit.lib.RefUpdate;
 
 /**
- * Exception thrown when a command want's to update a ref but failed because
+ * Exception thrown when a command wants to update a ref but failed because
  * another process is accessing (or even also updating) the ref.
  *
  * @see RefUpdate.Result#LOCK_FAILURE
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/Git.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/Git.java
index 28946e5fe..9b2698440 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/Git.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/Git.java
@@ -79,7 +79,7 @@ public class Git {
 	private final Repository repo;
 
 	/**
-	 * Constructs a new {@link Git} class which can interact with the specified
+	 * Constructs a new {@link Git} object which can interact with the specified
 	 * git repository. All command classes returned by methods of this class
 	 * will always interact with this git repository.
 	 *
@@ -94,7 +94,7 @@ public Git(Repository repo) {
 	}
 
 	/**
-	 * Returns a command class to execute a {@code Commit} command
+	 * Returns a command object to execute a {@code Commit} command
 	 *
 	 * @see <a
 	 *      href="http://www.kernel.org/pub/software/scm/git/docs/git-commit.html"
@@ -107,7 +107,7 @@ public CommitCommand commit() {
 	}
 
 	/**
-	 * Returns a command class to execute a {@code Log} command
+	 * Returns a command object to execute a {@code Log} command
 	 *
 	 * @see <a
 	 *      href="http://www.kernel.org/pub/software/scm/git/docs/git-log.html"
@@ -120,7 +120,7 @@ public LogCommand log() {
 	}
 
 	/**
-	 * Returns a command class to execute a {@code Merge} command
+	 * Returns a command object to execute a {@code Merge} command
 	 *
 	 * @see <a
 	 *      href="http://www.kernel.org/pub/software/scm/git/docs/git-merge.html"
@@ -133,7 +133,7 @@ public MergeCommand merge() {
 	}
 
 	/**
-	 * @return the git repository this class is interacting with
+	 * @return the git repository this instance is interacting with
 	 */
 	public Repository getRepository() {
 		return repo;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/NoMessageException.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/NoMessageException.java
index 7c6a184e0..ab5652e24 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/NoMessageException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/NoMessageException.java
@@ -38,7 +38,7 @@
 package org.eclipse.jgit.api;
 
 /**
- * Exception thrown when the options given to a command doesn't include a
+ * Exception thrown when the options given to a command don't include a
  * specification of a message text (e.g. a commit was called without explicitly
  * specifying a commit message (or other options telling where to take the
  * message from.