diff --git a/github2/client.py b/github2/client.py
index 56b5dcd..d0a3f2b 100644
--- a/github2/client.py
+++ b/github2/client.py
@@ -107,7 +107,7 @@ def get_blob_info(self, project, tree_sha, path):
         return blob.get("blob")
 
     def get_tree(self, project, tree_sha):
-        """Get tree information for a specifc tree.
+        """Get tree information for a specific tree.
 
         :param str project: GitHub project
         :param str tree_sha: object ID of tree
diff --git a/github2/request.py b/github2/request.py
index 1314c77..5961471 100644
--- a/github2/request.py
+++ b/github2/request.py
@@ -113,7 +113,7 @@ class GithubError(Exception):
 
 class HttpError(RuntimeError):
 
-    """A HTTP error occured when making a request to the GitHub API."""
+    """A HTTP error occurred when making a request to the GitHub API."""
 
     def __init__(self, message, content, code):
         """Create a HttpError exception.