diff --git a/lib/get-text.js b/lib/get-text.js
index c66e9e64..c08b0b54 100644
--- a/lib/get-text.js
+++ b/lib/get-text.js
@@ -136,10 +136,10 @@ export default class GetText {
 
     #parseYaml ( content ) {
         const locale = {
-            "l10n": ( single, plural, pluralNumber ) => {
-                if ( single ) {
+            "l10n": ( singular, plural, pluralNumber ) => {
+                if ( singular ) {
                     this.#poFile.addEctractedMessages( {
-                        [ single ]: {
+                        [ singular ]: {
                             "references": [ this.#relativePath ],
                         },
                     } );
@@ -155,10 +155,10 @@ export default class GetText {
                 }
             },
 
-            "l10nt": ( single, plural, pluralNumber ) => {
-                if ( single ) {
+            "l10nt": ( singular, plural, pluralNumber ) => {
+                if ( singular ) {
                     this.#poFile.addEctractedMessages( {
-                        [ single ]: {
+                        [ singular ]: {
                             "references": [ this.#relativePath ],
                         },
                     } );
@@ -255,7 +255,7 @@ export default class GetText {
         // not a supported function / method name
         if ( method !== "l10n" && method !== "l10nt" ) return;
 
-        var single = {
+        const singular = {
                 "id": null,
                 "flags": null,
                 "references": null,
@@ -273,13 +273,13 @@ export default class GetText {
         } );
 
         if ( message.value ) {
-            single.id = message.value;
+            singular.id = message.value;
 
-            if ( message.isTemplate ) single.flags = [ "javascript-format" ];
+            if ( message.isTemplate ) singular.flags = [ "javascript-format" ];
 
             // references
             const { line, column } = this.#getNodeLocation( node.arguments[ 0 ], { start } );
-            single.references = [ `${ this.#relativePath }:${ line }:${ column }` ];
+            singular.references = [ `${ this.#relativePath }:${ line }:${ column }` ];
         }
 
         // plural
@@ -300,15 +300,15 @@ export default class GetText {
             }
         }
 
-        if ( !single.id && !plural.id ) return;
+        if ( !singular.id && !plural.id ) return;
 
         // extracted comments
         const extractedComments = this.#extractNodeComment( ast, node );
 
-        if ( single.id ) {
+        if ( singular.id ) {
             this.#poFile.addEctractedMessages( {
-                [ single.id ]: {
-                    ...single,
+                [ singular.id ]: {
+                    ...singular,
                     extractedComments,
                 },
             } );