Miscellaneous corrections

content/en/functions/images/AutoOrient.md

@@ -13,7 +13,7 @@ action:
 toc: true
 ---
 
-{{< new-in 0.122.0 >}}
+{{< new-in 0.121.2 >}}
 
 ## Usage
 

content/en/functions/math/Rand.md

@@ -10,6 +10,8 @@ action:
   signatures: [math.Rand]
 ---
 
+{{< new-in 0.121.2 >}}
+
 The `math.Rand` function returns a pseudo-random number in the [half-open interval] [0.0, 1.0).
 
 ```go-html-template

content/en/getting-started/glossary.md

@@ -153,7 +153,7 @@ An [interval](https://en.wikipedia.org/wiki/Interval_(mathematics)) is a range o
 
 - A _closed_ interval, denoted by brackets, includes its endpoints. For example, [0,&nbsp;1]&nbsp;is the interval where `0 <= x <= 1`.
 
-- An _open_ interval, denoted by parenthesis, excludes its endpoints. For example, (0,&nbsp;1)&nbsp;is the interval where `0 < x < 1`.
+- An _open_ interval, denoted by parentheses, excludes its endpoints. For example, (0,&nbsp;1)&nbsp;is the interval where `0 < x < 1`.
 
 - A _half-open_ interval includes only one of its endpoints. For example, (0,&nbsp;1]&nbsp;is the _left-open_ interval where `0 < x <= 1`, while [0,&nbsp;1)&nbsp;is the _right-open_ interval where `0 <= x < 1`.