docs: update function description comments in math/base/special/betaln

PR-URL: #2766

---------

Signed-off-by: Gunj Joshi <gunjjoshi8372@gmail.com>
Reviewed-by: Philipp Burckhardt <pburckhardt@outlook.com>

Author: gunjjoshi

lib/node_modules/@stdlib/math/base/special/betaln/include/stdlib/math/base/special/betaln.h

@@ -27,7 +27,7 @@ extern "C" {
 #endif
 
 /**
-* Evaluate the natural logarithm of the beta function.
+* Evaluates the natural logarithm of the beta function.
 */
 double stdlib_base_betaln( const double x, const double y );
 

lib/node_modules/@stdlib/math/base/special/betaln/lib/dceval.js

@@ -50,7 +50,7 @@ var LEN = ALGMCS.length;
 // MAIN //
 
 /**
-* Evaluate the n-term Chebyshev series at `x`.
+* Evaluates the n-term Chebyshev series at `x`.
 *
 * ## References
 *

lib/node_modules/@stdlib/math/base/special/betaln/lib/gamma_correction.js

@@ -40,7 +40,7 @@ var XMAX = 3.745194030963158e306;
 // MAIN //
 
 /**
-* Compute the log gamma correction factor for `x >= 10`.
+* Computes the log gamma correction factor for `x >= 10`.
 *
 * ```tex
 * \log(\gamma(x)) = \log(\sqrt{2*\Pi}) + (x-0.5) \cdot \log(x) - x \operatorname{R9LGMC}(x).

lib/node_modules/@stdlib/math/base/special/betaln/lib/main.js

@@ -42,7 +42,7 @@ var correction = require( './gamma_correction.js' );
 // MAIN //
 
 /**
-* Evaluate the natural logarithm of the beta function.
+* Evaluates the natural logarithm of the beta function.
 *
 * @param {NonNegativeNumber} a - first input value
 * @param {NonNegativeNumber} b - second input value

lib/node_modules/@stdlib/math/base/special/betaln/lib/native.js

@@ -26,7 +26,7 @@ var addon = require( './../src/addon.node' );
 // MAIN //
 
 /**
-* Evaluate the natural logarithm of the beta function.
+* Evaluates the natural logarithm of the beta function.
 *
 * @private
 * @param {NonNegativeNumber} a - first input value

lib/node_modules/@stdlib/math/base/special/betaln/src/main.c

@@ -58,7 +58,7 @@ static const double XBIG = 94906265.62425156;
 static const double XMAX = 3.745194030963158e306;
 
 /**
-* Evaluate the n-term Chebyshev series at `x`.
+* Evaluates the n-term Chebyshev series at `x`.
 *
 * ## References
 *
@@ -90,7 +90,7 @@ static double dceval( const double x ) {
 }
 
 /**
-* Compute the log gamma correction factor for `x >= 10`.
+* Computes the log gamma correction factor for `x >= 10`.
 *
 * ```tex
 * \log(\gamma(x)) = \log(\sqrt{2*\Pi}) + (x-0.5) \cdot \log(x) - x \operatorname{R9LGMC}(x).
@@ -115,7 +115,7 @@ static double gammaCorrection( const double x ) {
 }
 
 /**
-* Evaluate the natural logarithm of the beta function.
+* Evaluates the natural logarithm of the beta function.
 *
 * @param a    first input value
 * @param b    second input value