diff --git a/docs/LangRef.html b/docs/LangRef.html
index f313aed782b..fc586ed9c39 100644
--- a/docs/LangRef.html
+++ b/docs/LangRef.html
@@ -3071,7 +3071,7 @@ The '<tt>llvm.ctpop</tt>' intrinsic counts the number of ones in a variable.
 <h5>Arguments:</h5>
 
 <p>
-The only argument is the value to be counted.
+The only argument is the value to be counted.  The argument may be of any integer type.
 </p>
 
 <h5>Semantics:</h5>
@@ -3103,7 +3103,7 @@ The '<tt>llvm.cttz</tt>' intrinsic counts the number of trailing zeros.
 <h5>Arguments:</h5>
 
 <p>
-The only argument is the value to be counted.
+The only argument is the value to be counted.  The argument may be of any integer type.
 </p>
 
 <h5>Semantics:</h5>
@@ -3136,7 +3136,7 @@ The '<tt>llvm.ctlz</tt>' intrinsic counts the number of leading zeros in a varia
 <h5>Arguments:</h5>
 
 <p>
-The only argument is the value to be counted.
+The only argument is the value to be counted.  The argument may be of any integer type.
 </p>
 
 <h5>Semantics:</h5>