diff --git a/pyglance/glance/gui_constants.py b/pyglance/glance/gui_constants.py
index 123d3ff0af7e652aad7b1e791d939cf8f312ab54..26dfa9d1367093a8390f81f894e5ca235a3994dd 100644
--- a/pyglance/glance/gui_constants.py
+++ b/pyglance/glance/gui_constants.py
@@ -27,8 +27,8 @@ ORIGINAL_B  = "Original B Data"
 ABS_DIFF    = "Abs. Difference"
 RAW_DIFF    = "Raw Difference"
 HISTOGRAM   = "Comparison Histogram"
-HISTOGRAM_A = "Historgram of A Data"
-HISTOGRAM_B = "Historgram of B Data"
+HISTOGRAM_A = "Histogram of A Data"
+HISTOGRAM_B = "Histogram of B Data"
 MISMATCH    = "Mismatch Areas"
 SCATTER     = "Scatter Plot"
 D_SCATTER   = "Density Scatter Plot"