diff --git a/glslang/MachineIndependent/SpirvIntrinsics.cpp b/glslang/MachineIndependent/SpirvIntrinsics.cpp
index 48c6a5ba..5d495dbf 100644
--- a/glslang/MachineIndependent/SpirvIntrinsics.cpp
+++ b/glslang/MachineIndependent/SpirvIntrinsics.cpp
@@ -76,7 +76,7 @@ TSpirvRequirement* TParseContext::makeSpirvRequirement(const TSourceLoc& loc, co
             spirvReq->capabilities.insert(capability->getAsConstantUnion()->getConstArray()[0].getIConst());
         }
     } else
-        error(loc, "unknow SPIR-V requirement", name.c_str(), "");
+        error(loc, "unknown SPIR-V requirement", name.c_str(), "");
 
     return spirvReq;
 }