diff --git a/config/src/main/resources/org/springframework/security/config/spring-security-3.2.rnc b/config/src/main/resources/org/springframework/security/config/spring-security-3.2.rnc
index e1332fe801..14d16d92d5 100644
--- a/config/src/main/resources/org/springframework/security/config/spring-security-3.2.rnc
+++ b/config/src/main/resources/org/springframework/security/config/spring-security-3.2.rnc
@@ -739,7 +739,7 @@ hsts-options.attlist &=
     ## Specifies if subdomains should be included. Default true.
     attribute include-subdomains {xsd:boolean}?
 hsts-options.attlist &=
-    ## Specifies the maximum ammount of time the host should be considered a Known HSTS Host. Default one year.
+    ## Specifies the maximum amount of time the host should be considered a Known HSTS Host. Default one year.
     attribute max-age-seconds {xsd:integer}?
 hsts-options.attlist &=
     ## The RequestMatcher instance to be used to determine if the header should be set. Default is if HttpServletRequest.isSecure() is true.
diff --git a/config/src/main/resources/org/springframework/security/config/spring-security-3.2.xsd b/config/src/main/resources/org/springframework/security/config/spring-security-3.2.xsd
index 81b37a8431..bdd4cdf143 100644
--- a/config/src/main/resources/org/springframework/security/config/spring-security-3.2.xsd
+++ b/config/src/main/resources/org/springframework/security/config/spring-security-3.2.xsd
@@ -2299,7 +2299,7 @@
       </xs:attribute>
       <xs:attribute name="max-age-seconds" type="xs:integer">
          <xs:annotation>
-            <xs:documentation>Specifies the maximum ammount of time the host should be considered a Known HSTS Host.
+            <xs:documentation>Specifies the maximum amount of time the host should be considered a Known HSTS Host.
                 Default one year.
                 </xs:documentation>
          </xs:annotation>
diff --git a/config/src/main/resources/org/springframework/security/config/spring-security-4.0.rnc b/config/src/main/resources/org/springframework/security/config/spring-security-4.0.rnc
index 51c5535261..f25f69c42c 100644
--- a/config/src/main/resources/org/springframework/security/config/spring-security-4.0.rnc
+++ b/config/src/main/resources/org/springframework/security/config/spring-security-4.0.rnc
@@ -759,7 +759,7 @@ hsts-options.attlist &=
 	## Specifies if subdomains should be included. Default true.
 	attribute include-subdomains {xsd:boolean}?
 hsts-options.attlist &=
-	## Specifies the maximum ammount of time the host should be considered a Known HSTS Host. Default one year.
+	## Specifies the maximum amount of time the host should be considered a Known HSTS Host. Default one year.
 	attribute max-age-seconds {xsd:integer}?
 hsts-options.attlist &=
 	## The RequestMatcher instance to be used to determine if the header should be set. Default is if HttpServletRequest.isSecure() is true.
diff --git a/config/src/main/resources/org/springframework/security/config/spring-security-4.0.xsd b/config/src/main/resources/org/springframework/security/config/spring-security-4.0.xsd
index 0f50a9e2a7..cdaf952df7 100644
--- a/config/src/main/resources/org/springframework/security/config/spring-security-4.0.xsd
+++ b/config/src/main/resources/org/springframework/security/config/spring-security-4.0.xsd
@@ -2358,7 +2358,7 @@
       </xs:attribute>
       <xs:attribute name="max-age-seconds" type="xs:integer">
          <xs:annotation>
-            <xs:documentation>Specifies the maximum ammount of time the host should be considered a Known HSTS Host.
+            <xs:documentation>Specifies the maximum amount of time the host should be considered a Known HSTS Host.
                 Default one year.
                 </xs:documentation>
          </xs:annotation>
diff --git a/config/src/main/resources/org/springframework/security/config/spring-security-4.1.rnc b/config/src/main/resources/org/springframework/security/config/spring-security-4.1.rnc
index 5ce746a2eb..9f3bbe98a1 100644
--- a/config/src/main/resources/org/springframework/security/config/spring-security-4.1.rnc
+++ b/config/src/main/resources/org/springframework/security/config/spring-security-4.1.rnc
@@ -768,7 +768,7 @@ hsts-options.attlist &=
 	## Specifies if subdomains should be included. Default true.
 	attribute include-subdomains {xsd:boolean}?
 hsts-options.attlist &=
-	## Specifies the maximum ammount of time the host should be considered a Known HSTS Host. Default one year.
+	## Specifies the maximum amount of time the host should be considered a Known HSTS Host. Default one year.
 	attribute max-age-seconds {xsd:integer}?
 hsts-options.attlist &=
 	## The RequestMatcher instance to be used to determine if the header should be set. Default is if HttpServletRequest.isSecure() is true.
diff --git a/config/src/main/resources/org/springframework/security/config/spring-security-4.1.xsd b/config/src/main/resources/org/springframework/security/config/spring-security-4.1.xsd
index 4175b9599a..4e13923540 100644
--- a/config/src/main/resources/org/springframework/security/config/spring-security-4.1.xsd
+++ b/config/src/main/resources/org/springframework/security/config/spring-security-4.1.xsd
@@ -2387,7 +2387,7 @@
       </xs:attribute>
       <xs:attribute name="max-age-seconds" type="xs:integer">
          <xs:annotation>
-            <xs:documentation>Specifies the maximum ammount of time the host should be considered a Known HSTS Host.
+            <xs:documentation>Specifies the maximum amount of time the host should be considered a Known HSTS Host.
                 Default one year.
                 </xs:documentation>
          </xs:annotation>
diff --git a/config/src/main/resources/org/springframework/security/config/spring-security-4.2.rnc b/config/src/main/resources/org/springframework/security/config/spring-security-4.2.rnc
index 795282cb65..2cb7dbad83 100644
--- a/config/src/main/resources/org/springframework/security/config/spring-security-4.2.rnc
+++ b/config/src/main/resources/org/springframework/security/config/spring-security-4.2.rnc
@@ -770,7 +770,7 @@ hsts-options.attlist &=
 	## Specifies if subdomains should be included. Default true.
 	attribute include-subdomains {xsd:boolean}?
 hsts-options.attlist &=
-	## Specifies the maximum ammount of time the host should be considered a Known HSTS Host. Default one year.
+	## Specifies the maximum amount of time the host should be considered a Known HSTS Host. Default one year.
 	attribute max-age-seconds {xsd:integer}?
 hsts-options.attlist &=
 	## The RequestMatcher instance to be used to determine if the header should be set. Default is if HttpServletRequest.isSecure() is true.
diff --git a/config/src/main/resources/org/springframework/security/config/spring-security-4.2.xsd b/config/src/main/resources/org/springframework/security/config/spring-security-4.2.xsd
index 6800a702f3..07c025729b 100644
--- a/config/src/main/resources/org/springframework/security/config/spring-security-4.2.xsd
+++ b/config/src/main/resources/org/springframework/security/config/spring-security-4.2.xsd
@@ -2402,7 +2402,7 @@
       </xs:attribute>
       <xs:attribute name="max-age-seconds" type="xs:integer">
          <xs:annotation>
-            <xs:documentation>Specifies the maximum ammount of time the host should be considered a Known HSTS Host.
+            <xs:documentation>Specifies the maximum amount of time the host should be considered a Known HSTS Host.
                 Default one year.
                 </xs:documentation>
          </xs:annotation>