diff --git a/install/core/i18n/en_US/install.json b/install/core/i18n/en_US/install.json
index 94e734f260..3eb870e537 100644
--- a/install/core/i18n/en_US/install.json
+++ b/install/core/i18n/en_US/install.json
@@ -90,7 +90,7 @@
 		},
 		"modRewriteInstruction": {
 			"apache": {
-				"linux": "<br><br>Run those commands in Terminal<pre><b>1. a2enmod rewrite <br>2. service apache2 restart<\/b><\/pre>",
+				"linux": "<br><br>To enable .htaccess support add/edit the Server configuration settings inside your &#60;VirtualHost&#62; section (httpd.conf):<pre>&#60;Directory \/PATH_TO_ESPO\/&#62;\n <b>AllowOverride All<\/b>\n&#60;\/Directory&#62;<\/pre>\n Afterwards run this command in a Terminal:<pre><b>service apache2 restart<\/b><\/pre><br>To enable \"mod_rewrite\" run those commands in a Terminal:<pre><b>a2enmod rewrite <br>service apache2 restart<\/b><\/pre>",
 				"windows": "<br> <pre>1. Find the httpd.conf file (usually you will find it in a folder called conf, config or something along those lines)<br>\n2. Inside the httpd.conf file uncomment the line LoadModule rewrite_module modules\/mod_rewrite.so (remove the pound '#' sign from in front of the line)<br>\n3. Also find the line ClearModuleList is uncommented then find and make sure that the line AddModule mod_rewrite.c is not commented out.\n<\/pre>"
 			},
 			"microsoft-iis": {
@@ -98,10 +98,10 @@
 			}
 		},
 		"modRewriteHelp": {
-			"apache": "Enable \"mod_rewrite\" in Apache server",
-			"nginx": "Add this code to Nginx Host Config (inside \"server\" block):<br>\n<pre>\nlocation \/api\/v1\/ {\n    if (!-e $request_filename){\n        rewrite ^\/api\/v1\/(.*)$ \/api\/v1\/index.php last; break;\n    }\n}\n\nlocation \/ {\n    rewrite reset\/?$ reset.html break;\n}<\/pre>",
-			"microsoft-iis": "Enable \"URL Rewrite\" Module in IIS server",
-			"default": "Enable Rewrite Module in your server (e.g. mod_rewrite in Apache)"
+			"apache": "API Error: EspoCRM API unavailable.<br> Possible problems: disabled \"mod_rewrite\" in Apache server or .htaccess support.",
+			"nginx": "API Error: EspoCRM API unavailable.<br> Add this code to Nginx Host Config (inside \"server\" block):<br>\n<pre>\nlocation \/api\/v1\/ {\n    if (!-e $request_filename){\n        rewrite ^\/api\/v1\/(.*)$ \/api\/v1\/index.php last; break;\n    }\n}\n\nlocation \/ {\n    rewrite reset\/?$ reset.html break;\n}<\/pre>",
+			"microsoft-iis": "API Error: EspoCRM API unavailable.<br> Possible problem: disabled \"URL Rewrite\". Please check and enable \"URL Rewrite\" Module in IIS server",
+			"default": "API Error: EspoCRM API unavailable.<br> Possible problem: disabled Rewrite Module. Please check and enable Rewrite Module in your server (e.g. mod_rewrite in Apache) and .htaccess support."
 		}
 	}
 }
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