diff --git a/packages/core/src/api/PrimeIcons.js b/packages/core/src/api/PrimeIcons.js
index 118cbab4a..a73b4fe62 100644
--- a/packages/core/src/api/PrimeIcons.js
+++ b/packages/core/src/api/PrimeIcons.js
@@ -27,9 +27,9 @@ const PrimeIcons = {
     ARROW_UP: 'pi pi-arrow-up',
     ARROW_UP_LEFT: 'pi pi-arrow-up-left',
     ARROW_UP_RIGHT: 'pi pi-arrow-up-right',
-    ARROW_H: 'pi pi-arrows-h',
-    ARROW_V: 'pi pi-arrows-v',
-    ARROW_A: 'pi pi-arrows-alt',
+    ARROWS_H: 'pi pi-arrows-h',
+    ARROWS_V: 'pi pi-arrows-v',
+    ARROWS_ALT: 'pi pi-arrows-alt',
     AT: 'pi pi-at',
     BACKWARD: 'pi pi-backward',
     BAN: 'pi pi-ban',
@@ -147,7 +147,7 @@ const PrimeIcons = {
     MAP: 'pi pi-map',
     MAP_MARKER: 'pi pi-map-marker',
     MEGAPHONE: 'pi pi-megaphone',
-    MICREPHONE: 'pi pi-microphone',
+    MICROPHONE: 'pi pi-microphone',
     MICROSOFT: 'pi pi-microsoft',
     MINUS: 'pi pi-minus',
     MINUS_CIRCLE: 'pi pi-minus-circle',
@@ -193,9 +193,9 @@ const PrimeIcons = {
     SLIDERS_V: 'pi pi-sliders-v',
     SORT: 'pi pi-sort',
     SORT_ALPHA_DOWN: 'pi pi-sort-alpha-down',
-    SORT_ALPHA_ALT_DOWN: 'pi pi-sort-alpha-down-alt',
+    SORT_ALPHA_DOWN_ALT: 'pi pi-sort-alpha-down-alt',
     SORT_ALPHA_UP: 'pi pi-sort-alpha-up',
-    SORT_ALPHA_ALT_UP: 'pi pi-sort-alpha-up-alt',
+    SORT_ALPHA_UP_ALT: 'pi pi-sort-alpha-up-alt',
     SORT_ALT: 'pi pi-sort-alt',
     SORT_ALT_SLASH: 'pi pi-sort-alt-slash',
     SORT_AMOUNT_DOWN: 'pi pi-sort-amount-down',
@@ -204,9 +204,9 @@ const PrimeIcons = {
     SORT_AMOUNT_UP_ALT: 'pi pi-sort-amount-up-alt',
     SORT_DOWN: 'pi pi-sort-down',
     SORT_NUMERIC_DOWN: 'pi pi-sort-numeric-down',
-    SORT_NUMERIC_ALT_DOWN: 'pi pi-sort-numeric-down-alt',
+    SORT_NUMERIC_DOWN_ALT: 'pi pi-sort-numeric-down-alt',
     SORT_NUMERIC_UP: 'pi pi-sort-numeric-up',
-    SORT_NUMERIC_ALT_UP: 'pi pi-sort-numeric-up-alt',
+    SORT_NUMERIC_UP_ALT: 'pi pi-sort-numeric-up-alt',
     SORT_UP: 'pi pi-sort-up',
     SPINNER: 'pi pi-spinner',
     STAR: 'pi pi-star',