diff --git a/README b/README
index 2d90b29..2f86e7c 100644
--- a/README
+++ b/README
@@ -116,9 +116,9 @@ the patch itself is encrypted.  To generate an encrypted patch, use `git
 diff --no-textconv --binary`.  Alternatively, you can apply a plaintext
 patch outside of git using the patch command.
 
-git-crypt does not work reliably with Atlassian SourceTree.
-Files might be left in an unencrypted state.  See
-<https://jira.atlassian.com/browse/SRCTREE-2511>.
+git-crypt does not work reliably with some third-party git GUIs, such
+as Atlassian SourceTree <https://jira.atlassian.com/browse/SRCTREE-2511>
+and GitHub for Mac.  Files might be left in an unencrypted state.
 
 
 GITATTRIBUTES FILE
diff --git a/README.md b/README.md
index c5759c4..e1f15e6 100644
--- a/README.md
+++ b/README.md
@@ -118,9 +118,9 @@ the patch itself is encrypted.  To generate an encrypted patch, use `git
 diff --no-textconv --binary`.  Alternatively, you can apply a plaintext
 patch outside of git using the patch command.
 
-git-crypt does [not work reliably with Atlassian
-SourceTree](https://jira.atlassian.com/browse/SRCTREE-2511).  Files might
-be left in an unencrypted state.
+git-crypt does not work reliably with some third-party git GUIs, such
+as [Atlassian SourceTree](https://jira.atlassian.com/browse/SRCTREE-2511)
+and GitHub for Mac.  Files might be left in an unencrypted state.
 
 Gitattributes File
 ------------------