Unsharpening => unsharp masking in docs

docs/configuration.md

@@ -279,16 +279,16 @@ imgproxy Pro can extract specific video frames to create thumbnails. This featur
 
 Read more about watermarks in the [Watermark](watermark.md) guide.
 
-## Unsharpening
+## Unsharp masking
 
-imgproxy Pro can apply an unsharpening mask to your images.
+imgproxy Pro can apply unsharp masking to your images.
 
-* `IMGPROXY_UNSHARPENING_MODE`: ![pro](./assets/pro.svg) controls when an unsharpenning mask should be applied. The following modes are supported:
-  * `auto`: _(default)_ apply an unsharpening mask only when an image is downscaled and the `sharpen` option has not been set.
-  * `none`: the unsharpening mask is not applied.
-  * `always`: always applies the unsharpening mask.
-* `IMGPROXY_UNSHARPENING_WEIGHT`: ![pro](./assets/pro.svg) a floating-point number that defines how neighboring pixels will affect the current pixel. The greater the value, the sharper the image. This value should be greater than zero. Default: `1`
-* `IMGPROXY_UNSHARPENING_DIVIDOR`: ![pro](./assets/pro.svg) a floating-point number that defines the unsharpening strength. The lesser the value, the sharper the image. This value be greater than zero. Default: `24`
+* `IMGPROXY_UNSHARP_MASKING_MODE`: ![pro](./assets/pro.svg) controls when unsharp masking should be applied. The following modes are supported:
+  * `auto`: _(default)_ apply unsharp masking only when an image is downscaled and the `sharpen` option has not been set.
+  * `none`: unsharp masking is not applied.
+  * `always`: always applies unsharp masking.
+* `IMGPROXY_UNSHARP_MASKING_WEIGHT`: ![pro](./assets/pro.svg) a floating-point number that defines how neighboring pixels will affect the current pixel. The greater the value, the sharper the image. This value should be greater than zero. Default: `1`
+* `IMGPROXY_UNSHARP_MASKING_DIVIDER`: ![pro](./assets/pro.svg) a floating-point number that defines unsharp masking strength. The lesser the value, the sharper the image. This value be greater than zero. Default: `24`
 
 ## Smart crop
 

docs/generating_the_url.md

@@ -397,14 +397,14 @@ When set, imgproxy will apply the pixelate filter to the resulting image. The va
 
 Default: disabled
 
-### Unsharpening![pro](./assets/pro.svg) :id=unsharpening
+### Unsharp masking![pro](./assets/pro.svg) :id=unsharp-masking
 
 ```
-unsharpening:%mode:%weight:%dividor
-ush:%mode:%weight:%dividor
+unsharp_masking:%mode:%weight:%divider
+ush:%mode:%weight:%divider
 ```
 
-Allows redefining unsharpening options. All arguments have the same meaning as [Unsharpening](configuration.md#unsharpening) configs. All arguments are optional and can be omitted.
+Allows redefining unsharp masking options. All arguments have the same meaning as [Unsharp masking](configuration.md#unsharp-masking) configs. All arguments are optional and can be omitted.
 
 ### Blur detections![pro](./assets/pro.svg) :id=blur-detections