docs: fix descriptions

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Author: kgryte

lib/node_modules/@stdlib/math/base/special/sind/README.md

@@ -20,7 +20,7 @@ limitations under the License.
 
 # sind
 
-> Computes the [sine][trigonometric-functions] of an angle measured in degrees.
+> Compute the [sine][trigonometric-functions] of an angle measured in degrees.
 
 <section class="intro">
 

lib/node_modules/@stdlib/math/base/special/sindf/README.md

@@ -20,7 +20,7 @@ limitations under the License.
 
 # sindf
 
-> Computes the [sine][trigonometric-functions] of a single-precision floating-point number (in degrees).
+> Compute the [sine][trigonometric-functions] of a single-precision floating-point number (in degrees).
 
 <section class="intro">