docs: fix typos in source comments

PR-URL: #2657
Ref: 143e88d#r144618112
Reviewed-by: Athan Reines <[email protected]>
Signed-off-by: GUNJ JOSHI <[email protected]>

Author: gunjjoshi

lib/node_modules/@stdlib/math/base/special/cosm1/test/test.js

@@ -34,8 +34,8 @@ var cosm1 = require( './../lib' );
 
 // VARIABLES //
 
-var NPIO4 = -7.85398163397448309616e-1; // -4/π
-var PIO4 = 7.85398163397448309616e-1; // 4/π
+var NPIO4 = -7.85398163397448309616e-1; // -π/4
+var PIO4 = 7.85398163397448309616e-1; // π/4
 
 
 // FIXTURES //

lib/node_modules/@stdlib/math/base/special/cosm1/test/test.native.js

@@ -35,8 +35,8 @@ var tryRequire = require( '@stdlib/utils/try-require' );
 
 // VARIABLES //
 
-var NPIO4 = -7.85398163397448309616e-1; // -4/π
-var PIO4 = 7.85398163397448309616e-1; // 4/π
+var NPIO4 = -7.85398163397448309616e-1; // -π/4
+var PIO4 = 7.85398163397448309616e-1; // π/4
 var cosm1 = tryRequire( resolve( __dirname, './../lib/native.js' ) );
 var opts = {
 	'skip': ( cosm1 instanceof Error )