diff --git a/lib/node_modules/@stdlib/stats/base/dists/planck/skewness/README.md b/lib/node_modules/@stdlib/stats/base/dists/planck/skewness/README.md
index 1b9f88959fa9..728f6fb5a9db 100644
--- a/lib/node_modules/@stdlib/stats/base/dists/planck/skewness/README.md
+++ b/lib/node_modules/@stdlib/stats/base/dists/planck/skewness/README.md
@@ -120,6 +120,99 @@ for ( i = 0; i < lambda.length; i++ ) {
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+## C APIs
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+### Usage
+
+```c
+#include "stdlib/stats/base/dists/planck/skewness.h"
+```
+
+#### stdlib_base_dists_planck_skewness( lambda )
+
+Evaluates the skewness for an planck distribution.
+
+```c
+double out = stdlib_base_dists_planck_skewness( 0.1 );
+// returns ~2.0025
+```
+
+The function accepts the following arguments:
+
+- **lambda**: `[in] double` shape parameter.
+
+```c
+double stdlib_base_dists_planck_skewness( const double lambda );
+```
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+### Examples
+
+```c
+#include "stdlib/stats/base/dists/planck/skewness.h"
+#include
+#include
+static double random_uniform( const double min, const double max ) {
+ double v = (double)rand() / ( (double)RAND_MAX + 1.0 );
+ return min + ( v*(max-min) );
+}
+int main( void ) {
+ double lambda;
+ double y;
+ int i;
+ srand( 12345 );
+
+ for ( i = 0; i < 25; i++ ) {
+ lambda = random_uniform( 0.01, 10.0 );
+ y = stdlib_base_dists_planck_skewness( lambda );
+ printf( "lambda: %lf, skewness: %lf\n", lambda, y );
+ }
+
+ return 0;
+}
+```
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