diff --git a/lib/node_modules/@stdlib/math/base/special/asec/README.md b/lib/node_modules/@stdlib/math/base/special/asec/README.md
index 8552f637f6c..022cd0011da 100644
--- a/lib/node_modules/@stdlib/math/base/special/asec/README.md
+++ b/lib/node_modules/@stdlib/math/base/special/asec/README.md
@@ -81,6 +81,91 @@ for ( i = 0; i < x.length; i++ ) {
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+## C APIs
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+### Usage
+
+```c
+#include "stdlib/math/base/special/asec.h"
+```
+
+#### stdlib_base_asec( x )
+
+Computes the [inverse (arc) secant][arcsecant] of `x`.
+
+```c
+double out = stdlib_base_asec( 2.0 );
+// returns ~1.0472
+```
+
+The function accepts the following arguments:
+
+- **x**: `[in] double` input value.
+
+```c
+double stdlib_base_asec( const double x );
+```
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+### Examples
+
+```c
+#include "stdlib/math/base/special/asec.h"
+#include
+
+int main( void ) {
+ const double x[] = { -5.0, -3.89, -2.78, -1.67, -0.56, 0.56, 1.67, 2.78, 3.89, 5.0 };
+
+ double v;
+ int i;
+ for ( i = 0; i < 10; i++ ) {
+ v = stdlib_base_asec( x[ i ] );
+ printf( "asec(%lf) = %lf\n", x[ i ], v );
+ }
+}
+```
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