diff --git a/docs/img/API Chart.odg b/docs/img/API_Chart.odg
similarity index 100%
rename from docs/img/API Chart.odg
rename to docs/img/API_Chart.odg
diff --git a/docs/img/API Chart.png b/docs/img/API_Chart.png
similarity index 100%
rename from docs/img/API Chart.png
rename to docs/img/API_Chart.png
diff --git a/docs/img/API Chart.svg b/docs/img/API_Chart.svg
similarity index 100%
rename from docs/img/API Chart.svg
rename to docs/img/API_Chart.svg