Error: Compile Error:
Recepient_information__r.Name from Recepient_information__c)FROM Company_Information__c
^
ERROR at Row:1:Column:56
Didn't understand relationship 'Recepient_information__c' in FROM part of query call. If you are attempting to use a custom relationship, be sure to append the '__r' after the custom relationship name. Please reference your WSDL or the describe call for the appropriate names. at line 6 column 16


 hi i had created a  two custom objects of recepient(child) and companyinformation(parent), and created a masterdetail relationship in child object that is receipent object . if iam querying parent and child records it is showing error , may i know why?? 
 the code is as folows.

public class sample2
{    
    public List<Company_Information__c> acct {get;set;}
    public sample2()
    {
        acct = [SELECT Name,phone__C,(select Recepient_information__r.Name from Recepient_information__c)FROM Company_Information__c ];
    }    
}



visualforce page code is:

<apex:page controller="sample2">
    <script>
function toggleContacts(className){
    elem = document.getElementsByClassName(className)[0];
    if(elem.style.display == 'none')
        elem.style.display = 'block';
    else
        elem.style.display = 'none';
}
</script>

<apex:form >

    <apex:repeat value="{!acct}" var="a">

        <apex:pageBlock title="{!a.Name}">
            <apex:pageBlockButtons location="top">
                <input type="button" onclick="toggleContacts('tbl-{!a.id}');" value="Show/Hide contacts" class="btn" /> 
            </apex:pageBlockButtons>
            <apex:pageBlockSection >
                <apex:outputField value="{!a.Phone__c}"/>
            </apex:pageBlockSection>

            <apex:outputPanel styleClass="tbl-{!a.id}" style="display:none;">
            <apex:pageBlockTable value="{!a.Recepient_information__c}" var="c">
                <apex:facet name="header">Contacts</apex:facet>
                <apex:column value="{!c.Name}"/>
            </apex:pageBlockTable>
            </apex:outputPanel>
        </apex:pageBlock>

    </apex:repeat>

</apex:form>
</apex:page>

on click should have to display the records and needs edit the contact name and account name