correctly define what 'fill' could be; thanks to Leland Hulbert from docs@

diff --git a/Doc/library/string.rst b/Doc/library/string.rst
index 1f8e2304f01f1bebaafd70c3d3c3f05f8fa4a49c..fc0bd2449b1a2e623be0a0e311971f73d3c86ded 100644 (file)
--- a/Doc/library/string.rst
+++ b/Doc/library/string.rst
@@ -292,7 +292,7 @@ The general form of a *standard format specifier* is:
 
 .. productionlist:: sf
    format_spec: [[`fill`]`align`][`sign`][#][0][`width`][,][.`precision`][`type`]
-   fill: <a character other than '}'>
+   fill: <a character other than '{' or '}'>
    align: "<" | ">" | "=" | "^"
    sign: "+" | "-" | " "
    width: `integer`