diff --git a/README.rst b/README.rst
index 388ef53..1e15b2d 100644
--- a/README.rst
+++ b/README.rst
@@ -5,7 +5,7 @@ parsedmarc
 |Build Status|
 
 .. image:: https://raw.githubusercontent.com/domainaware/parsedmarc/master/docs/_static/screenshots/dmarc-summary-charts.png
-   :slt: A screenshot of DMARC summary charts in Kibana
+   :alt: A screenshot of DMARC summary charts in Kibana
    :align: center
    :scale: 50%
    :target: https://raw.githubusercontent.com/domainaware/parsedmarc/master/docs/_static/screenshots/dmarc-summary-charts.png
diff --git a/docs/index.rst b/docs/index.rst
index 10332ac..80d6a27 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -10,7 +10,7 @@ Welcome to parsedmarc's documentation!
 |Build Status|
 
 .. image:: /_static/screenshots/dmarc-summary-charts.png
-   :slt: A screenshot of DMARC summary charts in Kibana
+   :alt: A screenshot of DMARC summary charts in Kibana
    :scale: 50%
    :align: center
    :target: /_static/screenshots/dmarc-summary-charts.png