diff --git a/changes/22527-policy-automation-ui-improvements b/changes/22527-policy-automation-ui-improvements
new file mode 100644
index 0000000000..6d56f7efa6
--- /dev/null
+++ b/changes/22527-policy-automation-ui-improvements
@@ -0,0 +1 @@
+- Update help text for policy automation Install software and Run script modals
diff --git a/frontend/pages/policies/ManagePoliciesPage/components/InstallSoftwareModal/InstallSoftwareModal.tsx b/frontend/pages/policies/ManagePoliciesPage/components/InstallSoftwareModal/InstallSoftwareModal.tsx
index 0d9681c203..d21cc7a6c3 100644
--- a/frontend/pages/policies/ManagePoliciesPage/components/InstallSoftwareModal/InstallSoftwareModal.tsx
+++ b/frontend/pages/policies/ManagePoliciesPage/components/InstallSoftwareModal/InstallSoftwareModal.tsx
@@ -20,6 +20,7 @@ import TooltipTruncatedText from "components/TooltipTruncatedText";
 import CustomLink from "components/CustomLink";
 import Button from "components/buttons/Button";
 import { ISoftwareTitle } from "interfaces/software";
+import TooltipWrapper from "components/TooltipWrapper";
 
 const getPlatformDisplayFromPackageExtension = (ext: string | undefined) => {
   switch (ext) {
@@ -223,6 +224,16 @@ const InstallSoftwareModal = ({
       );
     }
 
+    const compatibleTipContent = (
+      <>
+        .pkg for macOS.
+        <br />
+        .msi or .exe for Windows.
+        <br />
+        .deb for Linux.
+      </>
+    );
+
     return (
       <div className={`${baseClass} form`}>
         <div className="form-field">
@@ -233,10 +244,11 @@ const InstallSoftwareModal = ({
             )}
           </ul>
           <span className="form-field__help-text">
-            Selected software will be installed when hosts fail the policy. Host
-            counts will reset when a new software is
-            <br />
-            selected.{" "}
+            Selected software, if{" "}
+            <TooltipWrapper tipContent={compatibleTipContent}>
+              compatible
+            </TooltipWrapper>{" "}
+            with the host, will be installed when hosts fail the chosen policy.{" "}
             <CustomLink
               url="https://fleetdm.com/learn-more-about/policy-automation-install-software"
               text="Learn more"
diff --git a/frontend/pages/policies/ManagePoliciesPage/components/PolicyRunScriptModal/PolicyRunScriptModal.tsx b/frontend/pages/policies/ManagePoliciesPage/components/PolicyRunScriptModal/PolicyRunScriptModal.tsx
index e61221e3ef..bfb7864426 100644
--- a/frontend/pages/policies/ManagePoliciesPage/components/PolicyRunScriptModal/PolicyRunScriptModal.tsx
+++ b/frontend/pages/policies/ManagePoliciesPage/components/PolicyRunScriptModal/PolicyRunScriptModal.tsx
@@ -21,6 +21,7 @@ import Spinner from "components/Spinner";
 import CustomLink from "components/CustomLink";
 import Button from "components/buttons/Button";
 import Modal from "components/Modal";
+import TooltipWrapper from "components/TooltipWrapper";
 
 const baseClass = "policy-run-script-modal";
 
@@ -191,6 +192,14 @@ const PolicyRunScriptModal = ({
       );
     }
 
+    const compatibleTipContent = (
+      <>
+        Shell (.sh) for macOS and Linux.
+        <br />
+        PowerShell (.ps1) for Windows.
+      </>
+    );
+
     return (
       <div className={`${baseClass} form`}>
         <div className="form-field">
@@ -201,8 +210,12 @@ const PolicyRunScriptModal = ({
             )}
           </ul>
           <span className="form-field__help-text">
-            Selected script will run when hosts fail the policy. Host counts
-            will reset when a new script is selected.{" "}
+            Selected script, if{" "}
+            <TooltipWrapper tipContent={compatibleTipContent}>
+              compatible
+            </TooltipWrapper>{" "}
+            with the host, will run when hosts fail the policy. Host counts will
+            reset when a new script is selected.{" "}
             <CustomLink
               url="https://fleetdm.com/learn-more-about/policy-automation-run-script"
               text="Learn more"